Merge pull request #17 from diox/unbreak-views-in-prod

Resolve install promise immediately if we already indexed (bug 995246)
add more toggle to descriptions (bug 994827)
Merge pull request #14 from ngokevin/desc

add more toggle to descriptions (bug 994827)
clear search box when going to cat tab (bug 996115)
hide dupe install notifications on fxos (bug 994848)
make content ratings less confusin (bug 996154)
various styling stuff
style expanded thumbnails, tab highlighting during search
fix nav rendering
make stars smaller for tarako
feedback form (bug 995387)