added code, executable, and tests to get appcontroller properties
added code/exec/tests for setting appcontroller variables
installing newest boto, instead of locking to an old version
Merge remote-tracking branch 'org/master' into get-set-properties
validating cases when users try to get a property but fail to specify one
Merge pull request #352 from shatterednirvana/newest-boto

installing newest boto, instead of locking to an old version
Merge pull request #350 from shatterednirvana/get-set-properties

Enable users to query and set AppController instance variables