[configure] use central file to store xbmc version info
autogenerate xbmc version dependent files
update Xcode
[WIN32] added automatic versioning (batch file done by wsnipex)
and generate addons/xbmc.addon/addon.xml in CompileInfo.bat, thx Montellese
also generate SCMID on build time
Merge pull request #4866 from wsnipex/versioning

automatic versioning