Fix bug: only admin users should see a sidekiq link in the user dropdown.
Remove Resque route, link and associated permission definitions.
Removed Resque and Resque-scheduler gems.

We've almost completely migrated to Sidekiq.
Removed Resque initializers and God workers.
Remove Resque operations from the Capistrano deployment script
Removed Resque from comments. Removed unused env variable (related to Resque) from deployment script.
Fix test
Fix test
Fix test
Fix test