* Added support for v201502 of the AdWords Client Library.
* Removed CampaignAdExtensionService (from v201502).
* Added AccountLabelService (to v201502)
* Added hard feed types examples, moved to new "extensions" examples.
* Added example for shared sets.
* Minor fixes to reporting examples.
* Updated some existing samples for new API version.
* DFP clients now require you to set an application name.