Added event handlers to Skip Track
Modified queue to store tracks to skip
Added skip track feature
Minor fixes and label adjustments
Greying out song and added verification to next on album mode
Renaming skip properties, strike out track when it is to be skipped
Reformat done with clang-3.5 svn200967
[EdiTag Dialog] Fix not displaying translated string
Allow context creation in po files. Brings #4163 to effect
Merge pull request #4191 from sobkas/clang_r200967

Reformat done with clang-3.5 svn200967
Merge pull request #4192 from pejakm/trfixes

[EditTag Dialog] Fix not displaying translated string
Merge pull request #4193 from pejakm/xgttxt

Allow context flag creation in po files. Brings #4163 to effect
Merge branch 'skip_track' of https://github.com/asiviero/Clementine into asiviero-skip_track

Conflicts:
	src/playlist/playlist.cpp
	src/playlist/playlistitem.h
	src/ui/mainwindow.cpp