fix bug on peristed document inside a embeddedmap, issue #2660
Merge branch 'fix_persistent_link_serialization' into develop
Merge branch 'develop' of github.com:orientechnologies/orientdb into develop
Merge branch 'develop' of github.com:orientechnologies/orientdb into develop
release db before returning from authenticate
Merge pull request #2798 from emrul/master

release db before returning from authenticate
Issue #2328 was fixed.
Merge branch 'develop' of github.com:orientechnologies/orientdb into develop
Issue #2403 - test to verify issue was added.
Merge remote-tracking branch 'origin/develop' into develop
Issue #2417 was fixed.
fixed bug on serialization of vertex as value of property, issue #2761
add test for OIdentifiable type detection.
added test case for issue #1760, minor cleanup
Fixed issue #2691
Merged last commits
Supported getType() in Vertex and Edge.
Enhance OStringSerializerHelperTest by new tests
Changed contract to OCollection and RidBag remove() to return boolean
Fixed issue #2800