Fix: Header guard in GUIControlFactor.h had a typo.

This was found by a new warning class in clang5.1
Fix: Incorrect header guard in libprojectM
paplayer: drop flac decoder, use ffmpeg instead
[osx/ios/atv2] - sync xcode project
paplayer: add fail safe timer to stop
paplayer: calculate a bitrate if decoder does not provide one
paplayer: sunset wav and adpcm codecs
update VS project after drop of wav and adpcm codecs
[osx/ios/atv2] - sync xcode project
Merge pull request #4396 from tru/guicontrolheaderguard

Fix: Header guard in GUIControlFactor.h had a typo.
Merge pull request #4397 from tru/imagehelperheaderguard

Fix: Incorrect header guard in libprojectM
Merge pull request #4386 from FernetMenta/flac

paplayer: drop flac/wav decoder, use ffmpeg instead
[lang] update of internal addon language files
[lang] update of core language files
[lang] update of skin.confluence language files
json-rpc: don't try to set playcount/lastplayed for tvshows
json-rpc: fix resetting a datetime property through VideoLibrary.SetFooDetails
[omxplayer] When setting fullscreen flag we don't want noaspect

We set the fullscreen on 3d videos to avoid scaling breaking the 3d affect.
However we also set the noaspect flag which means widescreen videos (e.g. 1920x800) will get stretched vertically which is unwanted.
[thumbs] don't use a separate class instance in CProgramThumbLoader::FillThumb
[thumbs] don't set an empty thumb in C(Video|Music)ThumbLoader::FillThumb. Fixes #15007.