GIRAPH-692
GIRAPH-692
GIRAPH-740
GIRAPH-739
GIRAPH-734
GIRAPH-735
GIRAPH-736: Bring back FindBugs (nitay)
GIRAPH-512: JavaDoc warnings (tdn120 via nitay)
GIRAPH-732
GIRAPH-751
GIRAPH-746: Track and log versions of dependencies.
GIRAPH-746: Track and log versions of dependencies
Merge remote-tracking branch 'upstream/trunk' into trunk