update update method, user cannot change link once created
remove bettererrors gem
update link edit form, user cannot edit link url once created
update user edit and delete method
add delete button to user edit view
add user and link seeds
styling
make sure when link destroy redirects to user
ensure session is destroyed when user is deleted
change nav bar list items
edit url 'cannot be edited once created' warning message
rearrange upvote/downvote button and link info
change user 'delete account' confirmation message
add wrapper divs for styling
styling changes
add upvote downvote images
DRY link index/most_recent views by moving into new file
update method params fix