upgrade to ruby 2.0.0
 update ruby version
Display tag sub update info on delayed jobs page
fixes #530
fixes #1124
fix session comparison
new version
Merge branch 'ruby-2.1'

Conflicts:
	app/assets/javascripts/comments.js
	app/helpers/delayed_jobs_helper.rb
Revert "Merge branch 'ruby-2.1'"

This reverts commit 18dd5acca7873288ea79360ffaa4902ca18963a7, reversing
changes made to 55fef2f7c68c9d1cf28701754ccdd4e6b7fc3aec.
Fix Rails 4.1 migration issues
performance tweaks for rails 4.1
Additional Rails 4.1 optimizations
Reenable asset compilation for production
Add search option for issue #2104
fixes #2138
Don't return incorrect artist finder results

Applies to nicoseiga, tumblr, and deviantart; fixes #2134
Automatically focus first autocomplete result

In order to do this space-to-complete needs to be removed too since it
doesn't work together with autofocus. I think this is a good thing
anyway as it can cause accidental selections when typing. And we already
have two other shortcuts for this too (enter and tab).
Upload preview: use normalized image url

This means that the preview will work even when the user doesn't use the
direct image link. e.g. The user can use the bookmarklet on Pixiv
mode=medium pages.
Fix deviantart regex bugs
Fix accepting terms of service not working