removing some unused gems
introduced Gravatar user images
moved page headers into a separate content block
disabled upvote link where appropriate
require login for certain actions
added users link to nav menu
added comments column to functions index view
experimenting w/ readable theme instead of yeti
beefed up users.example.yml with a couple more names
moar columns!
moar example users!
order implementations by score
added some pizzazz to alerts
small layout update
little UI tweaks
added a bit more seed data
redirect to wherever the user was after logging out
always right-align rightmost table cells
added recent proposals to 'Home' page + dedicated new function view
sort functions by newest first rather than alphabetically