Add testcase for issue #72 : performance of LayerNodeIndex:add()
issue #72 testcase: add linearity statistic (time per step per node in index)
Brought back old API for SimplePointLayer.findClosestPointsTo()
Added instructions on how to run neo4j-spatial classes on the command-line
Upgraded geotools to 8.4
Updated copyright to 2013
Commented out performance test for now until we can fix performance bug in https://github.com/neo4j/spatial/issues/72
Added geopipes performance test case from 2011 work
updating Licenses