Use Kernel#Array, fixes #647
Fix broken tests due to #631 changing global state
Dashboard improvements

- Added namespace to dashboard footer.
- Wekkly graph for completed/failed jobs
- Change interpoleration for graphs to prevent the following
http://www.evernote.com/shard/s1/sh/91cdebad-fef5-4895-bd60-b5ee0b277234
/d86e8d48616618459ddd6de8585127dc
Merge pull request #651 from dennisvdvliet/linear_graphs_dashboard

Dashboard improvements
Correctly find namespace for use in the Web UI.
Clean up namespace lookup, #651
Handle edge case where namespace is set in options, not hash
Dynamically update redis stats on dashboard.
Update changes.md.
Move global Sidekiq option changes to before/after when testing redis
connection so it doesn't pollute the rest of the test suite.
Merge pull request #654 from mperham/fix-broken-test

Resolve fetcher test failure
Merge pull request #652 from mperham/update-dashboard-stats

Dynamically update redis stats on dashboard
Empty commit to test Travis build after new workers deployed.
Update the realtime graph as well
Merge pull request #657 from dennisvdvliet/linear_graphs_dashboard

Update the realtime graph as well
Remove .rvmrc

It's best to leave this to the developer since each developer may handle their Rubies and gemsets differently.