new style for sign in page
style for registration page
 + comments only show up on corpora#show if there are comments
   || you have permission to make comments

 + icons for footer
footer icons for publications
icons for tool footer
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 + inbox js now supports a compose:(id) state
 + bug fix with inbox JS
 + List All Users page now uses the new compose message link
 + corpora Manage Members page now has compose buttons instead of 'email butons'
 + style changes for public profile
replicated new membership manager update over to other resources
 + added Bio field to User and all the routes to edit it
 + added showdown.js to live preview Markdown
   this is now used in for the user bio
 + user bio is visible on public user page
 + Urges users to fill out a Bio
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