Updated terminology #148 #166
Merge branch 'master' of github.com:ox-it/talks.ox

* 'master' of github.com:ox-it/talks.ox:
  Added module documentation
  Updated template to not include values that have count = zero
  Working faceting
  Move everything related to search to a different app
  Pass custom URL parameter to the search query
  Custom ordering for the start date
  "Pretty" names for range queries
  Configure facet start date
  PoC facet query "Past talks", "Next seven days", "Future"

Conflicts:
	talks/urls.py