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
Merge branch 'master' into orientdb_1.7
upgrade to the final 1.7.0-rc2 version
merge with master
commented the ouser.name index creation
Merge branch 'master' into orientdb_1.7
changed test names
Deleted dependencies from the deprecated OGraphDatabase API
changed Evolutions procedure for the 0.8.0 version
Merge pull request #300 from giastfader/master

Removed OrientDB OGraphDatabase API dependencies