Update beforeFilter to pass data as second argument to next. Fixes #114
Update beforeFilter tests for new optional data argument
Merge branch 'master' of https://github.com/jaredhanson/locomotive
Fix merge conflict by reverting test changes.
Add test cases for data-style before filters. Thanks @redking\!
Shift data argument to before filters to first position.
Slight cleanups to test cases.
Remove unused tests.
Comment OCD.