Tidying up in clustering module
Named Hazelcast instance and Cluster.  Fixes multiple Hz instances per GS node.
Exclude sources jar from cluster module plugin zip
Unit tests for Cluster module.
Allow configuration of Hazelcast.
Fixes for issues encountered during demos
Fixes for issues encountered during demos
Style encoding changes for Picture Marker support
Merge pull request #24 from smithkm/cluster

Hazelcast cluster configuration and unit tests. closes #18
Remove references to Guava in StyleEncoder
Merge branch '2.3.x' for GSR PictureMarkerSymbol support
Fixed NPE on Service update
Check for Boolean fields when converting to GSR JSON
improved connection checker logic
send over system data to mapmeter on startup
send system data in separate thread
Merge pull request #28 from opengeo/mm-send-system-data

Mm send system data
rename console -> mapmeter (closes #21)
Avoid newlines in base64-encoded images
using gs.version rather than project.version for geoserver dependencies