* Updated Karma and Jasmine versions
* Added DOMObserver class. Supports promise-based testing of DOM changes
Update asynchronous test specs to use promises or done() instead of waitsFor/runs
* Modified ActionCapability to duplicate context object properties as own properties for better object equality comparisons
* Global find + replace to fix syntax issues
* Fixed various issues caused by non-deterministic runtime order of tests in Jasmine 3. Fixed issues caused by changes to determination of object equality
* Addressed review comments
* Resolved merge conflicts with master
* Fixed style errors
* Use spy.calls.count() instead of manually tracking
...to account for changes to separate out transaction management,
including removal of specs made obsolete (as tested behavior has
been moved to TransactionManager or was already redundant to
behavior from the undecorated PersistenceCapability)
