win32: allow to run mulitple xbmc instances
WIP: platinum: add "thumb" attribute to person tags
TEMP: don't compare artwork
TEMP: [confluence] add "Media source" section to Settings overview
WIP: [confluence] add MediaSourceBrowser.xml
WIP: [confluence] add DialogMediaImportInfo.xml
CAlbum: copy artwork from CFileItem
musicdb: add support for sources/imports
musicdb: add SetPlayCount()
musicdb: add implementation of IMediaImportRepository
upnp: improve music metadata support
music: move GetArtistString from CMusicDatabase to CArtistCredits
media: add IMediaImportHandler implementations for artists, albums and songs
wip: clean imports
fix strings