[maven-release-plugin] rollback the release of 0.5
Updated licenses to 2013
Fixed Neo4j SPI changes, works now with 1.8.0, 1.8.1 and 1.9.M04

- locking, added indirection Helper class with different implementations for 1.8 and 1.9, used reflection for 1.8 (LockReleaser is gone, LockManager changed type)
- SPI changes for TimelineIndexProvider: IndexProvider -> KernelExtensionFactory
removed unneeded files
Merge