Updated message processing code to expect property id for property events.
Added unit tests for IndexerGroup.
Merge pull request #27 from mikedurbin/property-update-bug

Updated message processing code to expect property id for property event...

Resolves: https://www.pivotaltracker.com/story/show/62806654
Update README.md

Add working MAVEN_OPTS
Minor, non-functional pom update.
Update pom project.parent version to 4.0.0-alpha-4-SNAPSHOT
Ensure child resources are removed from index on deletes.

Resolves: https://www.pivotaltracker.com/story/show/65151810