Summary: Refs T1575
Test Plan:
created plenty of pages, did all kind of stuff with them, moved them around, verified expected behaviour.
{F34453}
{F34455}
Reviewers: epriestley, chad, btrahan
Reviewed By: epriestley
CC: aran, epriestley, Korvin
Maniphest Tasks: T1575
Differential Revision: https://secure.phabricator.com/D5198
