Work in progress toward improving API for applications.  Updated to use
Spring Framework 3.2.1 since it includes a new cool controller unit test
where we can simulate HTTP requests.
Cleaned up some imports.
Added more integration tests, improved /thing API, ensured follow and
unfollow working.
Implemented event queries, reworked real time events, added unit tests
for visually checking results.  Lots of cleanup work to do but mostly
works.
Formatting
More unit testing, optimize delete somewhat.
Merge branch 'develop' of local repository into api_cleanup
Updated unit tests to include following and unfollowing, meta data
update
updated home to send test events to correct URL.  Configured new content
controller, changed URL for content controller
Renamed EventData to Content. Renamed "data" field in events to
"content".  Suppress null fields in Events, things and Content in JSON
output.
Update README.md
Updated version to 0.5.0.SNAPSHOT in both pom.xml files
Update README.md
Update README.md
Added parent pom.xml so we can build the whole project easily from the
command line
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md