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
fixed: use the proper make instead of calling 'make' directly

fixes builds on freebsd
cmake buildsystem
sq
add tests needed by new u16 string stuff
wrap cmyth properly