Remove outdated, unused files
Put back app/views/media_objects/remove.html.erb
Merge develop into code-cleanup
Merge pull request #64 from avalonmediasystem/code-cleanup

Remove outdated, unused files
Clean up .gitignore
Remove custom validator and use locale message; cleanup presence validation tests
Merge branch 'chris_test_writing' of github.com:avalonmediasystem/avalon into chris_test_writing