Added neo4j-contrib maven repo to repositories section
Use neo4j 2.0.1
Merge pull request #129 from amorgner/0.12-neo4j-2.0

Use neo4j 2.0.1
Merge branch 'master' of github.com:neo4j/spatial into 0.12-neo4j-2.0

Conflicts:
	pom.xml
Use standard exception here
Use graph-collections 0.7.2 for Neo4j 2.0.2
Prepared release 0.13 for Neo4j 2.1:
Removed dependency to graph-collections and moved classes needed by spatial to this repo (rtree package and ReferenceNodes class).
Removed repository reference (was needed for graph-collections)
Merge pull request #140 from amorgner/0.13-neo4j-2.1

Prepare release for Neo4j 2.1.1