GIRAPH-749: Update documentation according to the new EdgeOutputFormat API
GIRAPH-749: Update documentation according to the new EdgeOutputFormat API

KidEinstein/giraph,dcrankshaw/giraph,dcrankshaw/giraph,basio/graph,dukechain/giraph-1.2,apache/giraph,apache/giraph,dcrankshaw/giraph,dukechain/giraph-1.2,basio/graph,KidEinstein/giraph,KidEinstein/giraph,KidEinstein/giraph,korsvanloon/giraph,apache/giraph,korsvanloon/giraph,korsvanloon/giraph,dukechain/giraph-1.2,KidEinstein/giraph,basio/graph,dukechain/giraph-1.2,apache/giraph,basio/graph,KidEinstein/giraph,korsvanloon/giraph,apache/giraph,apache/giraph,dukechain/giraph-1.2,korsvanloon/giraph,korsvanloon/giraph,dcrankshaw/giraph,dukechain/giraph-1.2