making capistrano's stop/quiet tasks don't fail if sidekiq is already stopped. fixes #637
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
Update Travis config to not rely on dev env to try and resolve the
bundle install issues.
Remove .rvmrc

It's best to leave this to the developer since each developer may handle their Rubies and gemsets differently.
Merge pull request #658 from mperham/travis-config

Update Travis config for bundle issues.
Merge pull request #659 from laserlemon/no-rvmrc

Remove .rvmrc
Add profiling support