[Fix] Fix a memory leak in Setting.cpp.
[Fix] Fix a memory leak in PlayerSelectionRule.cpp.
Merge pull request #5990 from ace20022/mem_leaks_Helix

[Fix] Mem leaks helix
[lang] update of internal addon language files
[lang] update of core language files
[lang] update of skin.confluence language files
vdpau: advanced settings for auto deinterlacing
ActiveAE: slightly reduce buffer size
pthreads: use mutex protocol PTHREAD_PRIO_INHERIT
vaapi: lock gfx context on pre-cleanup
Bump xbmc-pvr-addons ref