Add histogram model, change data structure in layer model
Fix layer model serialize method to use new organization
Merge remote-tracking branch 'origin/add-query-json-processing-script' into search-page-and-routing
Merge remote-tracking branch 'origin/add-data-type-view-factory' into search-page-and-routing
Fancy control panel styling (opacity transition)
Working search page display

The search model doesn't really work yet, it's just spitting out
fake data for testing the view.
Merge remote-tracking branch 'origin/master' into search-page-and-routing

Conflicts:
	web/src/js/lib/widgets/VisualizationCanvasWidget.js
Redo search result loading behavior
Merge pull request #22 from Kitware/search-page-and-routing

Search page and routing