Fixed bug on size() against OMultiCollectionIterator
Merge branch 'master' of git://github.com/giastfader/orientdb into giastfader-master
New version of WAL with better performance characteristics was implemented.
Fixed bug on negative cluster id
Endianess align between native and direct memory serialization was implemented.
HTTP: fixed issue #1490 bug on delete record called in batch mode
Merge branch 'master' of https://github.com/nuvolabase/orientdb
Updated Graph libs
Added JAVA_HOME to shell scripts for Unix
Merge pull request #1491 from kaysy1994/master

I added JAVA_HOME to the unix scripts for OrientDB.
Issue #1404.  Initial version of restore  procedure was implemented. MT issues in multifile segment were fixed.
Merge remote-tracking branch 'origin/master'
Improved performance on query against not-unique indexes
Minor: onAfterRequest() callback always called also in case of exception
Issue #1404.  Issue with massive growing of WAL during document update was fixed.
Server: improved message on error while sending records to the client
Merge branch 'master' of https://github.com/nuvolabase/orientdb
Fixed problem on remote protocol: in case of timeout the socket is closed to avoid dirty data
Merge pull request #6 from nuvolabase/master

update from nuvolabase repo