Fix left menu bar visibility in Music views.

As reported here:
https://forums.plex.tv/index.php/topic/95532-pht-109-persistent-filter-b
ar-in-music-section/
[RasPlex][FIX] Racing condition, NowPlaying screen not displaying artwork properly when playing from IOs
Send distribution parameter to update check endpoint.
[FIX] Theme music had to complete before starting playback
[FIX] Exit button on cec/ir remote produces undesired results while video is playing. #127
Tweak the Sort triangle vertical position for better alignment.
Merge pull request #1038 from RasPlex/PR-RemoteFix

[RasPlex][FIX] Remote back button should go back, not play backwards
Merge pull request #1037 from RasPlex/PR-ThemeMusic

[FIX] Theme music had to complete before starting playback
Merge pull request #1036 from RasPlex/PR-NowPlayingFix

[RasPlex][FIX] Racing condition, NowPlaying screen not displaying artwor...
Fixed transcoding of multi-part/multi-media items.

Fixes #1041
Added a easy way to synthesise server with just one Connection
Don't call CServerManager::FindByHostAndPort from PlexFile.

Related to #1042
Don't call CPlexServerManager::FindByHostAndPort in playMedia command

Related to #1042
Simplify ManualServerManager a lot.
Remove CPlexServerManager::FindByHostAndPort

Fixes to #1042
Don't crash when not using GDM.
Added 1.0.10 release notes.
Kill some debug lines.
Make a localtime_r based on boost

This function does not take the global localtime_r lock and as such
will be around 8-9 times faster on OSX and it will not context switch
around as much..
Note that this function takes milliseconds not seconds.