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

Use neo4j 2.0.1
upgrade to 2.0.1
[maven-release-plugin] prepare release neo4j-spatial-0.12-neo4j-2.0.1
[maven-release-plugin] prepare for next development iteration
uploaded 2.0.1 server-plugin.zip
Fixed typo.
Merge pull request #130 from kju2/patch-1

Fixed typo.
added addNodesToLayer in the spatial plugin, cache the SpatialDatabaseService in the plugin, but make sure invalid root nodes are reloaded
Merge branch 'master' of github.com:neo4j/spatial into 0.12-neo4j-2.0

Conflicts:
	pom.xml
Use standard exception here
Merge pull request #135 from amorgner/0.12-neo4j-2.0

0.12-neo4j-2.0.2
Use graph-collections 0.7.2 for Neo4j 2.0.2
Merge pull request #136 from amorgner/0.12-neo4j-2.0

Use graph-collections 0.7.2 for Neo4j 2.0.2
Update README.md

Added hint for contrib repo in pom.xml
bumping to 2.1.1
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).