Reset repository
Initial package
Stubs for basic classes
fix project setup
get undirected graph
edge abd value extend tuple types
reverse and graph input methods
Added Push-Gather-Apply, mapVertices, subgraph, outDegrees

Added:

	mapVertices + Test
	subgraph (Unfinished)
	outDegrees
	Push-Gather-Apply Neighborhood Model
	Junit Dependency

Everything is untested as we are blocked on graph creation
Merge branch 'hackathon' of github.com:vasia/flink-graphs into thvasilo

Conflicts:
	src/main/java/flink/graphs/Edge.java
	src/main/java/flink/graphs/Graph.java
	src/main/java/flink/graphs/Vertex.java
Reverted to using Tuples, added tests.
Merge pull request #1 from thvasilo/thvasilo

Merge Theo's & Martin's hackathon work.