Updated HA example by using 1.8 Neo4j jar files
Fix for JRuby 1.7.1, closes #225

Use the neo4j-wrapper impl. of equal instead of the neo4j-core java equals
Update README and trigger another Travis build

The reason of the travis failure is that the neo4j-wrapper was not available from rubygems.org.
release 2.2.1
Dates are now stored as UTC, see andreasronge/neo4j-wrapper#7

Updated RSpecs
Make sure IdentityMap is cleared after an exception, closes #214
The relationship other_node method should return wrapped node, closes #226
Support for HA cluster with neo4j, 1.9.X, #228, #99, #223

* Fixed for IRB/Pry console using HA to concurrently access the database
* Updated the HA examples
* Removed ZooKeeper and its configuration
2.2.3
Updated the Neo4j HA Cluster Example
Update README
Updated readme
Try to get carrierwave-neo4j working with neo4j, #235

See also https://github.com/andreasronge/carrierwave-neo4j
Make sure freeze does not have side effects, #235

Needed by carrierwave-neo4j
Updated README.rdoc