Merge pull request #825 from ngokevin/themethumbnails

install btn, artist tools, review status to theme thumbnails (bug 565179)
Move /search/featured/ to /fireplace/search/featured/ (bug 875548)
Removed price filter (bug 885150)

The `price` column no longer existed which caused this to not find any
documents to exclude, effectively removing this part of the filter.
one useless fix, one valid fix
Factor manage.py commands.
Get rid of some unused vars.
compatibility for fireplace search url
Add task to fix missing icons on existing apps (bug 879342)
Add missing directories to DOMAIN_METHODS for javascript (bug 844591)
add in fireplace endpoint that is almost identical to apps, once client is updated we can move stuff over (bug 875547)
remove prints
fix themes on discovery pane (bug 885606)