add omniauth columns, to user and general code cleanup
configure token_authenticatable and switch to graph paper background
fix tag display bug and make colors sexy
adding username column
username column
sort of functional user pages (endless scroll not working yet) and modal password edit form, and also client side validations for forms
username links in comments, some more frontend validation stuff, tweaked colors on main page
tweak display of remove comment button
tweak css
add rescue for post content
favicon
update gems
add jquery-ui-rails
update app.js for new jquery ui gem
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