addons: add new xbmc.resource(.language) addon type
filesystem: add support for resource:// paths
move initialization of databases, python and addon manager before loading language strings
adjust language loading/handling logic

adjust all paths to language files (special://xbmc/language/...)
add update/fallback for locale.language setting
move <charsets>, <dvd> and <sorttokens> from langinfo.xml to addon.xml
add fallback logic for addons still using the old language names
[win32] update VS project files
addons: move language files to resource.language addons
addons: extended resource.language's addon.xml with <charsets>, <dvd> and <sorttokens>
no need to install the language directory anymore