removed OGraphDatabase API dependencies
upgrade to OrientDB 1.7 - RC2
little code hacks to match some new behaviour of OrientDB 1.7
implemented test for operator
oauth_token parameter should be moved to request body in Social Login APIs
pretty error message when a social network is not available
there was no DB connection when the /social/.../callback was called
new method getOrOpenConnectionWIthHTTPUsername()
added a check on open connections
added social exceptions
Merge remote-tracking branch 'giastfader/issue_217' into issue_217
Merge branch 'master' into orientdb_1.7
upgrade to the final 1.7.0-rc2 version
merge with master
Validation on login and link of social network accounts
cleaned some code for tokens extraction from request
G+ check for token validation
commented the ouser.name index creation
Configuration settings into json body
testing new settings into json body