spring-social dependencies added

spring mvc updated to 3.1 and dependencies for spring-social added
simple spring-security handling
master into this
header with correct link
oauth2 libraries added
Merge remote-tracking branch 'origin/master' into fs_facebook_connect
Merge branch 'master' of https://github.com/fanky10/jbattle-game into fs_facebook_connect
almost ready for facebook connection

giving some strange error when actually trying to connect
battlefield constructor + sql fix
UserConnection table added
few glitches but connects to facebook
facebook login into master