Add ajax beacon to dashboard.
Merge pull request #606 from mperham/dashboard-beacon

Add ajax beacon to dashboard.
Add dashboard beacon change.
Update beacon to be more noticable.
Merge branch 'master' of github-brandon.com:mperham/sidekiq
Prep for 2.6.2 release
prevent args being misused
Merge pull request #609 from karlfreeman/normalize_args_item

Prevent args being misused
Refactor fetch strategy, fix queueing to lpush and rpop.
Merge branch 'master' of github.com:mperham/sidekiq
Add cli arg for unique process index
Use non-successful exit code when something goes wrong
Merge pull request #610 from jmazzi/bugfix/exit_codes

Use non-successful exit code when something goes wrong
bump version, release 2.6.3
Fix empty queue crash, fixes #612
Add process index support to cap recipe