special model subclass for configuration editor
specialized collection for facets editor
move facet math to FacetsCollection
extract loop that constructs views
do facet parsing in FacetsCollection
rename FacetsCollection to FacetCollection
embed cube_dimensions in html page
don't load dimensions via ajax, they are preloaded
remove NoAjaxFacetsEditor alias
model changes don't trigger reload
simplify initialization of FacetsEditor
Merge branch 'facet-collection'