Fixed issue #2691
Merged last commits
Supported getType() in Vertex and Edge.
Changed contract to OCollection and RidBag remove() to return boolean
Fixed issue #2800
Merge branch 'develop' of https://github.com/orientechnologies/orientdb into develop
Caught exception on connection close avoiding the stack trace
Merge branch 'develop' of https://github.com/orientechnologies/orientdb into develop