[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
Merge remote-tracking branch 'xbmc-origin/Helix' into 14.0-Helix-pivos