removed .DS_Store file - OSX
fixed issue #2929
Issue #2863 was fixed.
Fixed issue #2934
fixed wrong connection close, and failure on tx retry. issue #2930
fixed fetch of expand/flatten of embedded properties - issue #2937
Issue #2912. Cleared cache after graph instance is returned to the pool.
Removed unused Distributed Version objects
removed recursive record search for improve performance.
assured that in any case the client tx retry send all data.
Fixed issue #2930 about calling multiple times begin()
Issue #2912 was fixed.
Merge remote-tracking branch 'origin/develop' into develop

Conflicts:
	graphdb/src/main/java/com/tinkerpop/blueprints/impls/orient/OrientTransactionalGraph.java
Checked date and datetime formats before to set them. Added also new test case for alter database command
Fixed issue #2930
added test case for issue #2930
Merge branch 'develop' of github.com:orientechnologies/orientdb into develop
Merged last changes
orientdb-api.js: fix ODatabase.open()

ODatabase.open() made an ajax request for /connect/, but that doesn't return data (any more?). Requesting /database/ gets us the expected reply with the database info object.
Merge pull request #2957 from vmatare/develop

orientdb-api.js: fix ODatabase.open()