update font-awesome
username and avatar wip
text change
some specs
uploader spec
logged in header changes

* also, updated bootstrap
new default images
improve header a bit and do away with fixed header
a basic settings page
add gem for rails panel
point simplecov to my fork temporarily
a few visual tweaks
link to review's author in review partial
break recipe#show up into partials
new recipe method and some spec speed up stuff
default usernames migration needs to come last
update schema file
fix account feature
formatting
fix bug: imported recipes have no user_id