RSR-179 multi-module maven project.

break things up into client, examples and curator.  The dependencies could probably be cleaned up a little, but I'm weak and tired.  This was an epic battle.

```
gdusbabek@farscape:/data/farscape/java-service-registry-client$ mvn clean install
INFO]
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] ------------------------------------------------------------------------
[INFO] Rackspace Service Registry ............................ SUCCESS [1.664s]
[INFO] Service Registry Client ............................... SUCCESS [10.670s]
[INFO] Service Registry Client Curator Bindings .............. SUCCESS [2.942s]
[INFO] Service Registry Java Client Examples ................. SUCCESS [2.357s]
[INFO] ------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESSFUL
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 17 seconds
[INFO] Finished at: Mon Mar 18 09:55:51 PDT 2013
[INFO] Final Memory: 64M/386M
[INFO] ------------------------------------------------------------------------
gdusbabek@farscape:/data/farscape/java-service-registry-client$