GIRAPH-592: yourkit profiling
GIRAPH-592: yourkit profiling
GIRAPH-657: Remove unused reuseIncomingEdgeObjects option.
GIRAPH-656: Input from multiple tables doesn't work with multithreading (majakabiljo)
GIRAPH-658: Remove final modifier from SimpleHiveToEdge.initializeRecords (majakabiljo)
GIRAPH-621: Website Documentation: Basic Design Document (aching)
GIRAPH-560: Input filtering (nitay)
Merge remote-tracking branch 'origin/trunk' into g1