update fabfile to build feed-dev and prod-feed on update.
Bug 1043585 & Bug 1052035
no underline on hover
Merge pull request #565 from jasonthomas/feed_fabfile

update fabfile to build feed-dev and prod-feed on update.
add margin to icons on My Apps page
feed pagination with isotope (bug 1053405)
Merge pull request #568 from ngokevin/isotopepage

feed pagination with isotope (bug 1053405)
correctly set <title> on feed element detail load (bug 1054015)
defer background images (bug 1054017)
Merge branch 'feed' of github.com:mozilla/fireplace into feed