Set a limit to how many times a full object change will be retried (currently 1). Fixes #93.
Updgrade Simperium to latest Gradle. 'instrumentTest' folders renamed to 'androidTest' for copmatibility.
Adding test for requeueChangeWithFullObject retry limit.
Remove unneeded test dependency.
Merge pull request #94 from Simperium/issue/93-requeue-loop

Control the number of times a change can be retried.