Merge pull request #28 from yeukhon/issue6

Shows scan creator in the summary page. See #6.
Move all the controllers for sites apis to a separate file
Fixes #24 Add plan editor to administration pages
Merge branch 'master' of https://github.com/mozilla/minion-frontend
Removed .pyc files that were accidentally committed
Trying out a new layout for the reports
Fixes #30 Add an overview of installed plugins to the admin site
Added invite to create user. See #25.
Added /invites backend apis in frontend. See #25, see #27,
Added a basic invitation page. See #27. Can display and send invitation.

Right now we have the abililty to display existing invitations and send
new invitation (and reload the page to show the addition). We still need
to hook up resendInvite and removeInvite and a filter. Backend does not
have DELETE method yet, so we will implement that later.
Fixed #27. client-side filter and sorting should be working.
Undo 54957de. Invite belongs to invitation page. Close #25.