Fix invalid headers in PNG files and optimize for size

diff --git a/tderadio3/icons/hi16-action-tderadio_muteoff.png b/tderadio3/icons/hi16-action-tderadio_muteoff.png
index ef27707..f82768a 100644
--- a/tderadio3/icons/hi16-action-tderadio_muteoff.png
+++ b/tderadio3/icons/hi16-action-tderadio_muteoff.png
Binary files differ
diff --git a/tderadio3/icons/hi16-action-tderadio_muteon.png b/tderadio3/icons/hi16-action-tderadio_muteon.png
index 35072e0..868dab6 100644
--- a/tderadio3/icons/hi16-action-tderadio_muteon.png
+++ b/tderadio3/icons/hi16-action-tderadio_muteon.png
Binary files differ
diff --git a/tderadio3/icons/hi16-action-tderadio_plugins.png b/tderadio3/icons/hi16-action-tderadio_plugins.png
index 7b966b6..029a801 100644
--- a/tderadio3/icons/hi16-action-tderadio_plugins.png
+++ b/tderadio3/icons/hi16-action-tderadio_plugins.png
Binary files differ
diff --git a/tderadio3/icons/hi16-app-tderadio.png b/tderadio3/icons/hi16-app-tderadio.png
index 0e8b218..cf83d8d 100644
--- a/tderadio3/icons/hi16-app-tderadio.png
+++ b/tderadio3/icons/hi16-app-tderadio.png
Binary files differ
diff --git a/tderadio3/icons/hi22-action-tderadio_hide.png b/tderadio3/icons/hi22-action-tderadio_hide.png
index fa8a58a..15d9e07 100644
--- a/tderadio3/icons/hi22-action-tderadio_hide.png
+++ b/tderadio3/icons/hi22-action-tderadio_hide.png
Binary files differ
diff --git a/tderadio3/icons/hi22-action-tderadio_muteoff.png b/tderadio3/icons/hi22-action-tderadio_muteoff.png
index 974a4ae..2f20731 100644
--- a/tderadio3/icons/hi22-action-tderadio_muteoff.png
+++ b/tderadio3/icons/hi22-action-tderadio_muteoff.png
Binary files differ
diff --git a/tderadio3/icons/hi22-action-tderadio_muteon.png b/tderadio3/icons/hi22-action-tderadio_muteon.png
index 55aba59..ed61ef0 100644
--- a/tderadio3/icons/hi22-action-tderadio_muteon.png
+++ b/tderadio3/icons/hi22-action-tderadio_muteon.png
Binary files differ
diff --git a/tderadio3/icons/hi22-action-tderadio_plugins.png b/tderadio3/icons/hi22-action-tderadio_plugins.png
index aa92e25..6fc05b7 100644
--- a/tderadio3/icons/hi22-action-tderadio_plugins.png
+++ b/tderadio3/icons/hi22-action-tderadio_plugins.png
Binary files differ
diff --git a/tderadio3/icons/hi22-action-tderadio_show.png b/tderadio3/icons/hi22-action-tderadio_show.png
index d4d2053..ba7f07c 100644
--- a/tderadio3/icons/hi22-action-tderadio_show.png
+++ b/tderadio3/icons/hi22-action-tderadio_show.png
Binary files differ
diff --git a/tderadio3/icons/hi22-app-tderadio.png b/tderadio3/icons/hi22-app-tderadio.png
index 7e606d5..dbff588 100644
--- a/tderadio3/icons/hi22-app-tderadio.png
+++ b/tderadio3/icons/hi22-app-tderadio.png
Binary files differ
diff --git a/tderadio3/icons/hi32-action-tderadio_plugins.png b/tderadio3/icons/hi32-action-tderadio_plugins.png
index eb2d9e6..62dc2d3 100644
--- a/tderadio3/icons/hi32-action-tderadio_plugins.png
+++ b/tderadio3/icons/hi32-action-tderadio_plugins.png
Binary files differ
diff --git a/tderadio3/icons/hi32-app-tderadio.png b/tderadio3/icons/hi32-app-tderadio.png
index cc6627f..19c2c93 100644
--- a/tderadio3/icons/hi32-app-tderadio.png
+++ b/tderadio3/icons/hi32-app-tderadio.png
Binary files differ
diff --git a/tderadio3/icons/hi48-action-tderadio_plugins.png b/tderadio3/icons/hi48-action-tderadio_plugins.png
index d976289..2713caa 100644
--- a/tderadio3/icons/hi48-action-tderadio_plugins.png
+++ b/tderadio3/icons/hi48-action-tderadio_plugins.png
Binary files differ
diff --git a/tderadio3/icons/hi48-app-tderadio.png b/tderadio3/icons/hi48-app-tderadio.png
index 511c03f..b4ffce3 100644
--- a/tderadio3/icons/hi48-app-tderadio.png
+++ b/tderadio3/icons/hi48-app-tderadio.png
Binary files differ
diff --git a/tderadio3/icons/hi64-app-tderadio.png b/tderadio3/icons/hi64-app-tderadio.png
index 9869565..fc4e28f 100644
--- a/tderadio3/icons/hi64-app-tderadio.png
+++ b/tderadio3/icons/hi64-app-tderadio.png
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diff --git a/tderadio3/icons/lo16-app-tderadio.png b/tderadio3/icons/lo16-app-tderadio.png
index 0e8b218..cf83d8d 100644
--- a/tderadio3/icons/lo16-app-tderadio.png
+++ b/tderadio3/icons/lo16-app-tderadio.png
Binary files differ
diff --git a/tderadio3/icons/lo22-app-tderadio.png b/tderadio3/icons/lo22-app-tderadio.png
index 7e606d5..dbff588 100644
--- a/tderadio3/icons/lo22-app-tderadio.png
+++ b/tderadio3/icons/lo22-app-tderadio.png
Binary files differ
diff --git a/tderadio3/icons/lo32-app-tderadio.png b/tderadio3/icons/lo32-app-tderadio.png
index cc6627f..19c2c93 100644
--- a/tderadio3/icons/lo32-app-tderadio.png
+++ b/tderadio3/icons/lo32-app-tderadio.png
Binary files differ
diff --git a/tderadio3/icons/lo48-app-tderadio.png b/tderadio3/icons/lo48-app-tderadio.png
index 511c03f..b4ffce3 100644
--- a/tderadio3/icons/lo48-app-tderadio.png
+++ b/tderadio3/icons/lo48-app-tderadio.png
Binary files differ
diff --git a/tderadio3/icons/lo64-app-tderadio.png b/tderadio3/icons/lo64-app-tderadio.png
index 9869565..fc4e28f 100644
--- a/tderadio3/icons/lo64-app-tderadio.png
+++ b/tderadio3/icons/lo64-app-tderadio.png
Binary files differ
diff --git a/tderadio3/plugins/alsa-sound/icons/hi32-action-tderadio_alsa2.png b/tderadio3/plugins/alsa-sound/icons/hi32-action-tderadio_alsa2.png
index 99bb76f..47ff4b0 100644
--- a/tderadio3/plugins/alsa-sound/icons/hi32-action-tderadio_alsa2.png
+++ b/tderadio3/plugins/alsa-sound/icons/hi32-action-tderadio_alsa2.png
Binary files differ
diff --git a/tderadio3/plugins/alsa-sound/icons/hi48-action-tderadio_alsa2.png b/tderadio3/plugins/alsa-sound/icons/hi48-action-tderadio_alsa2.png
index 0850e23..c638081 100644
--- a/tderadio3/plugins/alsa-sound/icons/hi48-action-tderadio_alsa2.png
+++ b/tderadio3/plugins/alsa-sound/icons/hi48-action-tderadio_alsa2.png
Binary files differ
diff --git a/tderadio3/plugins/alsa-sound/icons/hi64-action-tderadio_alsa.png b/tderadio3/plugins/alsa-sound/icons/hi64-action-tderadio_alsa.png
index 5a2656a..971528b 100644
--- a/tderadio3/plugins/alsa-sound/icons/hi64-action-tderadio_alsa.png
+++ b/tderadio3/plugins/alsa-sound/icons/hi64-action-tderadio_alsa.png
Binary files differ
diff --git a/tderadio3/plugins/alsa-sound/icons/hi64-action-tderadio_alsa2.png b/tderadio3/plugins/alsa-sound/icons/hi64-action-tderadio_alsa2.png
index 13ef503..60467b3 100644
--- a/tderadio3/plugins/alsa-sound/icons/hi64-action-tderadio_alsa2.png
+++ b/tderadio3/plugins/alsa-sound/icons/hi64-action-tderadio_alsa2.png
Binary files differ
diff --git a/tderadio3/plugins/oss-sound/icons/hi16-action-tderadio_oss.png b/tderadio3/plugins/oss-sound/icons/hi16-action-tderadio_oss.png
index a422967..dcc3d08 100644
--- a/tderadio3/plugins/oss-sound/icons/hi16-action-tderadio_oss.png
+++ b/tderadio3/plugins/oss-sound/icons/hi16-action-tderadio_oss.png
Binary files differ
diff --git a/tderadio3/plugins/oss-sound/icons/hi32-action-tderadio_oss.png b/tderadio3/plugins/oss-sound/icons/hi32-action-tderadio_oss.png
index 2036faa..fab278d 100644
--- a/tderadio3/plugins/oss-sound/icons/hi32-action-tderadio_oss.png
+++ b/tderadio3/plugins/oss-sound/icons/hi32-action-tderadio_oss.png
Binary files differ
diff --git a/tderadio3/plugins/oss-sound/icons/hi48-action-tderadio_oss.png b/tderadio3/plugins/oss-sound/icons/hi48-action-tderadio_oss.png
index dc766a8..0ef1022 100644
--- a/tderadio3/plugins/oss-sound/icons/hi48-action-tderadio_oss.png
+++ b/tderadio3/plugins/oss-sound/icons/hi48-action-tderadio_oss.png
Binary files differ
diff --git a/tderadio3/plugins/recording/icons/hi16-action-tderadio_record.png b/tderadio3/plugins/recording/icons/hi16-action-tderadio_record.png
index 0899344..ff75485 100644
--- a/tderadio3/plugins/recording/icons/hi16-action-tderadio_record.png
+++ b/tderadio3/plugins/recording/icons/hi16-action-tderadio_record.png
Binary files differ
diff --git a/tderadio3/plugins/recording/icons/hi16-app-tderadio_plus_rec.png b/tderadio3/plugins/recording/icons/hi16-app-tderadio_plus_rec.png
index ce39582..deea3dc 100644
--- a/tderadio3/plugins/recording/icons/hi16-app-tderadio_plus_rec.png
+++ b/tderadio3/plugins/recording/icons/hi16-app-tderadio_plus_rec.png
Binary files differ
diff --git a/tderadio3/plugins/recording/icons/hi22-action-tderadio_record.png b/tderadio3/plugins/recording/icons/hi22-action-tderadio_record.png
index a39d11e..9706942 100644
--- a/tderadio3/plugins/recording/icons/hi22-action-tderadio_record.png
+++ b/tderadio3/plugins/recording/icons/hi22-action-tderadio_record.png
Binary files differ
diff --git a/tderadio3/plugins/recording/icons/hi22-app-tderadio_plus_rec.png b/tderadio3/plugins/recording/icons/hi22-app-tderadio_plus_rec.png
index 2167b93..50697cc 100644
--- a/tderadio3/plugins/recording/icons/hi22-app-tderadio_plus_rec.png
+++ b/tderadio3/plugins/recording/icons/hi22-app-tderadio_plus_rec.png
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diff --git a/tderadio3/plugins/recording/icons/hi256-action-tderadio_record.png b/tderadio3/plugins/recording/icons/hi256-action-tderadio_record.png
index ccafd20..a372627 100644
--- a/tderadio3/plugins/recording/icons/hi256-action-tderadio_record.png
+++ b/tderadio3/plugins/recording/icons/hi256-action-tderadio_record.png
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diff --git a/tderadio3/plugins/recording/icons/hi32-action-tderadio_record.png b/tderadio3/plugins/recording/icons/hi32-action-tderadio_record.png
index f6f09ac..8cb0ebd 100644
--- a/tderadio3/plugins/recording/icons/hi32-action-tderadio_record.png
+++ b/tderadio3/plugins/recording/icons/hi32-action-tderadio_record.png
Binary files differ
diff --git a/tderadio3/plugins/recording/icons/hi32-app-tderadio_plus_rec.png b/tderadio3/plugins/recording/icons/hi32-app-tderadio_plus_rec.png
index 819d395..91d46f4 100644
--- a/tderadio3/plugins/recording/icons/hi32-app-tderadio_plus_rec.png
+++ b/tderadio3/plugins/recording/icons/hi32-app-tderadio_plus_rec.png
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diff --git a/tderadio3/plugins/recording/icons/hi48-action-tderadio_record.png b/tderadio3/plugins/recording/icons/hi48-action-tderadio_record.png
index 06b0603..69aca1d 100644
--- a/tderadio3/plugins/recording/icons/hi48-action-tderadio_record.png
+++ b/tderadio3/plugins/recording/icons/hi48-action-tderadio_record.png
Binary files differ
diff --git a/tderadio3/plugins/recording/icons/hi48-app-tderadio_plus_rec.png b/tderadio3/plugins/recording/icons/hi48-app-tderadio_plus_rec.png
index c469ee4..975335c 100644
--- a/tderadio3/plugins/recording/icons/hi48-app-tderadio_plus_rec.png
+++ b/tderadio3/plugins/recording/icons/hi48-app-tderadio_plus_rec.png
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diff --git a/tderadio3/plugins/recording/icons/hi64-action-tderadio_record.png b/tderadio3/plugins/recording/icons/hi64-action-tderadio_record.png
index 2027123..4b2efce 100644
--- a/tderadio3/plugins/recording/icons/hi64-action-tderadio_record.png
+++ b/tderadio3/plugins/recording/icons/hi64-action-tderadio_record.png
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diff --git a/tderadio3/plugins/recording/icons/hi64-app-tderadio_plus_rec.png b/tderadio3/plugins/recording/icons/hi64-app-tderadio_plus_rec.png
index 99825d7..9decd00 100644
--- a/tderadio3/plugins/recording/icons/hi64-app-tderadio_plus_rec.png
+++ b/tderadio3/plugins/recording/icons/hi64-app-tderadio_plus_rec.png
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diff --git a/tderadio3/plugins/streaming/icons/hi16-action-tderadio_streaming.png b/tderadio3/plugins/streaming/icons/hi16-action-tderadio_streaming.png
index b7cec00..320a633 100644
--- a/tderadio3/plugins/streaming/icons/hi16-action-tderadio_streaming.png
+++ b/tderadio3/plugins/streaming/icons/hi16-action-tderadio_streaming.png
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diff --git a/tderadio3/plugins/streaming/icons/hi22-action-tderadio_streaming.png b/tderadio3/plugins/streaming/icons/hi22-action-tderadio_streaming.png
index 184c283..e582ea8 100644
--- a/tderadio3/plugins/streaming/icons/hi22-action-tderadio_streaming.png
+++ b/tderadio3/plugins/streaming/icons/hi22-action-tderadio_streaming.png
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diff --git a/tderadio3/plugins/streaming/icons/hi32-action-tderadio_streaming.png b/tderadio3/plugins/streaming/icons/hi32-action-tderadio_streaming.png
index 0253e79..0767a6a 100644
--- a/tderadio3/plugins/streaming/icons/hi32-action-tderadio_streaming.png
+++ b/tderadio3/plugins/streaming/icons/hi32-action-tderadio_streaming.png
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diff --git a/tderadio3/plugins/streaming/icons/hi48-action-tderadio_streaming.png b/tderadio3/plugins/streaming/icons/hi48-action-tderadio_streaming.png
index e5dd54b..6ace14e 100644
--- a/tderadio3/plugins/streaming/icons/hi48-action-tderadio_streaming.png
+++ b/tderadio3/plugins/streaming/icons/hi48-action-tderadio_streaming.png
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diff --git a/tderadio3/plugins/streaming/icons/hi64-action-tderadio_streaming.png b/tderadio3/plugins/streaming/icons/hi64-action-tderadio_streaming.png
index eb8d540..a9fc990 100644
--- a/tderadio3/plugins/streaming/icons/hi64-action-tderadio_streaming.png
+++ b/tderadio3/plugins/streaming/icons/hi64-action-tderadio_streaming.png
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diff --git a/tderadio3/plugins/timecontrol/icons/hi16-action-tderadio_kalarm.png b/tderadio3/plugins/timecontrol/icons/hi16-action-tderadio_kalarm.png
index eb5683b..3009d55 100644
--- a/tderadio3/plugins/timecontrol/icons/hi16-action-tderadio_kalarm.png
+++ b/tderadio3/plugins/timecontrol/icons/hi16-action-tderadio_kalarm.png
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diff --git a/tderadio3/plugins/timecontrol/icons/hi16-action-tderadio_zzz.png b/tderadio3/plugins/timecontrol/icons/hi16-action-tderadio_zzz.png
index f832469..0d677f4 100644
--- a/tderadio3/plugins/timecontrol/icons/hi16-action-tderadio_zzz.png
+++ b/tderadio3/plugins/timecontrol/icons/hi16-action-tderadio_zzz.png
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diff --git a/tderadio3/plugins/timecontrol/icons/hi22-action-tderadio_kalarm.png b/tderadio3/plugins/timecontrol/icons/hi22-action-tderadio_kalarm.png
index a880e8f..e4273d6 100644
--- a/tderadio3/plugins/timecontrol/icons/hi22-action-tderadio_kalarm.png
+++ b/tderadio3/plugins/timecontrol/icons/hi22-action-tderadio_kalarm.png
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diff --git a/tderadio3/plugins/timecontrol/icons/hi22-action-tderadio_zzz.png b/tderadio3/plugins/timecontrol/icons/hi22-action-tderadio_zzz.png
index 2c69332..2a5ad8d 100644
--- a/tderadio3/plugins/timecontrol/icons/hi22-action-tderadio_zzz.png
+++ b/tderadio3/plugins/timecontrol/icons/hi22-action-tderadio_zzz.png
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diff --git a/tderadio3/plugins/timecontrol/icons/hi32-action-tderadio_kalarm.png b/tderadio3/plugins/timecontrol/icons/hi32-action-tderadio_kalarm.png
index f312e3f..2ae2809 100644
--- a/tderadio3/plugins/timecontrol/icons/hi32-action-tderadio_kalarm.png
+++ b/tderadio3/plugins/timecontrol/icons/hi32-action-tderadio_kalarm.png
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diff --git a/tderadio3/plugins/timecontrol/icons/hi32-action-tderadio_zzz.png b/tderadio3/plugins/timecontrol/icons/hi32-action-tderadio_zzz.png
index 89ce212..4089298 100644
--- a/tderadio3/plugins/timecontrol/icons/hi32-action-tderadio_zzz.png
+++ b/tderadio3/plugins/timecontrol/icons/hi32-action-tderadio_zzz.png
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diff --git a/tderadio3/plugins/timecontrol/icons/hi48-action-tderadio_kalarm.png b/tderadio3/plugins/timecontrol/icons/hi48-action-tderadio_kalarm.png
index 476d55a..e88778d 100644
--- a/tderadio3/plugins/timecontrol/icons/hi48-action-tderadio_kalarm.png
+++ b/tderadio3/plugins/timecontrol/icons/hi48-action-tderadio_kalarm.png
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