gallery/gallery3 — pull request #190 by shadlaws (2013-03-05 16:00:27+00:00)
Title: #2040 - Deactivate modules that no longer exist.

- added module::deactivate_missing_modules()
- revised module::deactivate() to change log message if the module is missing
- added call to new function in module::get_obsolete_modules_message()
- added call to new function when loading admin/maintenance menu