allow access to special://skin through the webserver's VFS handler
[lang] update of internal addon language files
[lang] update of core language files
[lang] update of skin.confluence language files
[Confluence] cosmetics
[rbp/omxplayer] Fix leak when playing multiple files from playlist

When omxplayer plays a second file from a playlist (i.e. without being shut down) a clock component gets leaked.
Eventually enough of these leaked components will stop further playback
[musicdb] fix: no longer force people to the musicbrainz scraper for MBID tagged music (allow local info only, etc)
Fixed: read up to 4095 chars per line from a strm/m3u file (and use the full buffer)
Merge pull request #3683 from basrieter/strm_length_fix

Fixed: read up to 4095 chars per line from a strm/m3u file

The buffer was already accepting this size.
[Confluence] update tvtunes code
[WIN32] fixed crash when looking at the system storage info. fixes #14716
[WIN32] removed double include. replaced one CStdString by std::string and removed bogus _T macro.
osx: do not use cvBufferRef until we understand the failure modes better
Merge pull request #3703 from popcornmix/clock_leak

[rbp/omxplayer] Fix leak when playing multiple files from playlist
Merge pull request #3697 from Montellese/getmatchingsource_skin_path

allow access to special://skin through the webserver's VFS handler
add missing startpos option to pydocs
CharsetConverter: fix wrong locking of mutex