small tweks to MatchStep doc.
in Kryo hell. Found a crazy issue with multi-machine GiraphInternalVertex that was nicely solved. Still need to fix this issue with message serialization............. sucks, been working on it for 4 hours and no closer.
more uncovering... DetachElement now in Kryo and a null field. ... Made GiraphRemoteAcceptor nicer though.
Add sorting of vertices being handed off to generator so that same graph is generated each time.
Merge pull request #41 from MMcM/generate-same-graph-by-sorting

Add sorting of vertices to generator tests
Remove old profiling class.
minor tweaks. still trying to get messages Kryo-ized right.
added recursssive match to docs.