fixes #3017 - change extends api/v1 to api/v2 in v2 json views
fixes #3017 - copy controllers/api/v1 _controller.rb files to controllers/api/v2 if the files do not exist
fixes #3017 - change api/v2 controllers that inherit from V1 to inherit from V2:BaseController
fixes #3017 - copy api/v1 actions to api/v2 controller since they do not inherit from v1 anymore
fixes #3017 - copy api/v1/functional _test.rb files to api/v2/functional if the files do not exist
fixes #3017 - copy api/v1/functional individual tests to api/v2 existing files but missing tests