Merge pull request #674 from bhariharan/unstable

Bugfix for leaking BroadcastReceiver
New abstract super class for *ManagerTest classes
Factoring json comparison helper methods out of SmartStoreTestCase
Helper class to test broadcasts
Initial tests for SyncManager (work in progress)
Added a test for sync up - but more needed
Merge pull request #676 from wmathurin/smartsyncplugin

Tests for SyncManager
Moving all the test specific util classes to their own package