Enables installation of Network and ObjectMapping sub-specs via CocoaPods without requiring Core Data
Add missing conditional compilation to the testing classes for use standalone from Core Data
Quiet down `AFHTTPClient` warnings when importing the Testing subspec
Fix issues with request descriptor matching and add battery of explicit tests for descriptor precedence lookup. closes #1513
Remove import of RestKit.h from RKOperationStateMachine.h
adding new ObjectManager methods for building RKObjectRequestOperation objects that take an array of response descriptors.  Updated appropriateObjectRequestOperationWithObject:method:path:parameters: to pass only the response descriptors that match the object, path, and method passed in.
Add `performBlockWithLock:` to `RKOperationStateMachine` to support changing operation state
Fix typos in exception descriptions
Return out of `cancel` if the state machine has already finished
Fix issues with header layouts when using subspecs in standalone installations
Move RestKit.h inclusion to Support subspec
Conditionalize imports for RKSearchIndexer.h and RKManagedObjectStore+RKSearchAdditions.h based on Core Data import availability
Move RKSearchTokenizer to Support module as it is the only Search component that does not depend on CoreData.
Rename `RKSearchTokenizer` to `RKStringTokenizer` to better reflect its utility
Fix build issues and warnings for RKSearchExample project due to Core Data build changes
Update `rake validate` to build using xctool instead of xcodebuild for more readable output
Put `RKStringTokenizer` into the public headers
Update AFNetworking submodule reference to 1.3.2
Bump CocoaPods dependency to 0.23.0
Add Rake task for verifying that RestKit continues to build without direct dependencies on Core Data