OC-2164: Isolate code from RemoveFileOperation. Include new RemoveRemoteFileOperation in library
OC-2165: Create Unit Test for RemoveRemoteFileOperation
Removed absolute path in exported dependencies
Removed unneeded comments
Refactored local deletion to unify through FileDataStorageManager
Merge pull request #313 from owncloud/refactor_remote_operation_to_delete_file_and_folder

Refactored remote operation to delete file and folder into oc_framework