Update to work with new versions of ruby/jruby and sidekiq.
Code clean up.
fix loading YAML config
Add a .travis.yml file
Adding details on how to load the scheduled jobs definition
Fix broken test

See https://github.com/mperham/sidekiq/issues/1176#issuecomment-24390264
for more info
Fix issue when daemonizing.

Also:
 - Add test coverage.
 - Add missing gem dependency.
 - Fix some typos in README.md
Bum version.

Update the documentation.
Update gem dependency restrictions.
Update to v1.0, support sidekiq 3.
Update README.md
adding note about the Spring preloader and testing your initializer via Rails console