changing styling and scrolling of display frame for RAF design functionality
adding spinner style for link form
Merge branch 'master' of http://github.com/ReadUpCode/readup
add new environment variable setup to links controller
Merge branch 'master' of https://github.com/ReadUpCode/readup
Merge pull request #92 from macqueen/master

new logout/user info dropdown
title can now be added in link form, with new styling and directive
form controller now includes title in post request and sends 'warning' message for success and failure back to link form partial
add twitter button to each item in list
adding styling for RAF navbar in mobile view
Merge branch 'master' of http://github.com/ReadUpCode/readup
add more fixes to get twitter button on each item
title must have length otherwise warning message is shown in form
display frame directive cleaned up with styling in addition
Merge pull request #93 from BrettHoyer/master

a bunch of RAF features and link form cleaning
add in code to only have one version of an item. append tags and categories to original item on subsequent reposts of same item.
Merge branch 'master' of https://github.com/ReadUpCode/readup
Merge pull request #94 from DougKong/master

add back in code to allow only 1 version of an item.  add in twitter button for each item.
fixed popover css