added HAS_MODEL
Copied Blacklight layout from Github (2013-06-14)
Partial for rendering breadcrumbs on catalog show page
Added #render_document_breadcrumbs helper
memoized #parent_uri
refactored #parent_pid
Default thumbnail rendering
Render default thumbnail if object has no thumbnail
Removed unused fcrepo_admin partial
Set config.show.display_type for Model-specific show views
Copied default template from Blacklight
Factored out partial from Blacklight's default show template
#render_thumbnail now renders static default image
Added static 'no image' thumbnail placeholder
New partials
New methods and refactoring
Added #render_model_sidebar_menu for hooking extra custom sidebar content into show view