GIRAPH-681: Graphviz Output Format (nitay)
GIRAPH-686: DiskBackedPartitionStore does not saveVertex after edges are loaded
GIRAPH-: Simplify Giraph Hive I/O
Merge remote-tracking branch 'origin/trunk' into hive-auto
GIRAPH-: Simplify Giraph Hive I/O
GIRAPH-673: Input superstep should support aggregators like any
other superstep (Bingjing via aching)
GIRAPH-683: Jython for Computation (nitay)
GIRAPH-694 Setting configuration in GiraphConfiguration causes
non thread safe copies (aching)
GIRAPH-623: Website Documentation: table of parameters
GIRAPH-695: Add getCombiner and getComputation methods for
MasterCompute (aching)
Merge remote-tracking branch 'origin/trunk' into hive-auto