XBMC: Only scan the new movie folder
XBMC: Only add directory if XBMC is on localhost
XBMC: properly check if host is local

And added option to scan if remote
Merge branch 'develop_XBMC' of git://github.com/mano3m/CouchPotatoServer into mano3m-develop_XBMC
XMBC notification, better remote folder description