user can delete words and see them deleted from the list without requiring a page refresh
words index link takes the user to individual word page
removed backbone files
fixed bug with adding examples with a word
moved each word's each definition into a partial
user can add definitions to words and definition shows up without requiring page refresh
user can toggle between favoriting and unfavoriting a definition with ajax
user can upvote, downvote and see total/upvote/downvote count without refreshing page
refactored a helper function for updating the vote counts
user can click a link to add more fields for bulk user creation
fixed typo from last commit that allowed user to bulk add users
added padding to all the page wrappers