Bug fix for an ajax error (missing tileSize).  Collection browser is looking good, but I want to use it for something other than the session editor.
Merge branch 'collection_browser'

* collection_browser:
  Bug fix for an ajax error (missing tileSize).  Collection browser is looking good, but I want to use it for something other than the session editor.
Views default to pixel.  I just need to convert photo vies to pixel before getting rid of view.CoordinateSystem.
Merge branch 'pixel'

* pixel:
  Views default to pixel.  I just need to convert photo vies to pixel before getting rid of view.CoordinateSystem.