Move inline css to external file.

In fact its external style is exposed back using internal style. Only
way to improve this is to add better extension support in sidekiq
itself.
Reseting schedulable keys when recurrence changed
Sort workers index page by name

This lets you easily scan the list to find a particular worker,
especially when you have a large number of them.
Update IceCube to 0.12.0
Merge pull request #95 from toolmantim/update-ice-cube-dep

Update IceCube to 0.12.0
Merge pull request #94 from oestrich/sort-workers-by-name

Sort workers index page by name
Merge pull request #90 from LongMan/master

Reseting schedulable keys when recurrence changed
Merge pull request #87 from futhr/feature/move-inline-css

Move inline css to external file.
Allow failures on jruby-19mode.

This seems to quite random but should be fixed with Sidetiq's custom
recurrence DSL.
Store and compare fixnums instead of objects.
Update CHANGELOG.
Don't test 2.1.1 on each JDK [ci skip]
Remove experimental lock watcher worker.
Bump to 0.6.0.
Don't require watcher.rb in example code.
Fix manual triggering of jobs with arguments.
Ensure sidetiq is required in sidetiq/web.
Update CHANGELOG.
Ensure sidetiq is required in sidetiq/web.
1) Added the ability to enable and disable sidetiq jobs through a redis key
2) Changed the way namespaced worker classes are mapped into Redis keys to follow lowercase/underscore format
3) Improved the way perform method arguments are detected (parameters instead of arity) so that meta defined perform methods (with block) are properly handled
4) Added logic to check for "perform method" arguments from the web interface to prevent 500 errors