Added support to copy class, instance, method automate objects.

- Added hidden product features to support copy of class, instance, method automate objects.
- Added copy buttons in toolbars and changed application_helper to display new buttons.
- Added support in controller for copy buttons.
- Added spec tests to test new model methods unlocked_domains? and all_unlocked_domains.
- Added spec tests to test copy of class in controller spec tests.
- Added any specific routes needed for these tasks.

Issue #105

@dclarizio @mkanoor @gmcculloug please review/test copy feature for Automate Class, Instance and Method objects
This method name is confusing to me...`locked` is a strange term, when `read_only/writable` is what people are thinking.  Maybe `any_writable?`?