From Piston to DRF: switching ListView and Search View (bug 977148)

https://bugzilla.mozilla.org/show_bug.cgi?id=977148

Depends on https://github.com/mozilla/zamboni/pull/1749
Merge pull request #1830 from davidbgk/956159-pist2drf-listsearch

From Piston to DRF: switching ListView and SearchView (bug 977148)