reverting revert
first attempt
button hover styles #82217794
updated tests
Precompile assets for Heroku happiness
Remove unused CanCan Ability model
Add usernames to seed data, attempting to avoid heroku 'undefined method username' error
Merging
Fix tests, tidy up views/styles
Precompile assets for heroku
Merging in master
Checking/unchecking changes selected attr of book
Remove extraneous js files
Send selected state of book to controller
Show list view functional
Checkboxes in more places where books are shown
Add gem to make jquery & turbolinks play nice
Clear all selected functional
Remove unused code
Update tests to reflect new permissions