Merge remote-tracking branch 'remotes/origin/MP1-4323-FEAT-Tagreader_should_recognize_m4b_as_Audio_File'
MP1-4318 : Disable Skin theme when using Watchdog.
Merge remote-tracking branch 'remotes/upstream/MP1-4318-BUG-Titan_Extended_theme_must_be_disabled_when_Watchdog_Debug_mode_is_used' into 1.6.0Fork-BDJ