catching datastore exceptions on all cassandra operations, instead of just on writes
clarified Raises docstrings and fixed typos
setting java7 as default
bumped version of cassandra and pycassa that we use to be the newest versions
Merge pull request #564 from shatterednirvana/unavailable-exception-cassandra

Catching Cassandra Exceptions on all DB operations
fixing order
Setting java home in appscale profile
installing new version of cassandra, to fix possible silent write failure
trying to compile zookeeper with 1.7
properly searching through queue.xml in java apps with one or more queues defined
Merge pull request #570 from shatterednirvana/parsing-queue-xml-correctly-for-one-queue

properly searching through queue.xml in java apps with one or more queues defined
Merge pull request #1 from AppScale/testing

Testing
bumped Xss to 160k because Java 7 requires it to run Cassandra
reverted log level back to INFO
setting java home and removing prints
Merge branch 'java7' of github.com:jovanchohan/appscale into java7
Merge pull request #568 from shatterednirvana/cassandra-1.2.5

Update Cassandra to version 1.2.5
re-enabled debug-level cron info
made spacing consistent
added documentation on all cron_helper methods and variables