removed unwanted annotations, CRM-14330

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* CRM-14330: Add REST-related annotations to generated entities
  http://issues.civicrm.org/jira/browse/CRM-14330
Merge pull request #2737 from kurund/CRM-14311

removed unwanted annotations, CRM-14330
SyntaxConformanceTest - Fix for entities which don't support delete
CRM-14370 - Add event-dispatcher that can be used internally

The hook-based event-dispatcher requires implementing new top-level modules
to subscribe to an event.  We'll have use-cases were we want core to define
multiple subscribers.
CRM-14370 - civicrm_api, CiviUnitTestCase - Move main logic to Civi\API\Kernel

Also: Allow test-classes to use different API handlers (eg $apiKernel->run() instead of civicrm_api())
CRM-14370 - API Kernel - Dispatch events
CRM-14370 - API Kernel - Extract TransactionSubscriber
CRM-14370 - API Kernel - Extract XDebugSubscriber
CRM-14370 - API Kernel - DRY exception-handling; fix inconsistencies
CRM-14370 - API Kernel - DRY result formatting
CRM-14370 - API Kernel - Fix short-circuiting which breaks formatters/exceptions-handlers
CRM-14370 - API Kernel - Extract I18nSubscriber
CRM-14370 - API Kernel - Move authorization to listener
CRM-14370 - API Kernel - Extract APIv3SchemaAdapter
CRM-14370 - API Kernel - Extract WrapperAdapter
CRM-14370 - API Kernel - Extract createRequest()
CRM-14370 - API Kernel - Add ProviderInterface. Extract MagicFunctionProvider.
CRM-14370 - API Kernel - Parse options/data/chains for v4
civicrm_api3_create_error - Simplify
CRM-14370 - composer - Add symfony/serializer