remove subclass nodes and rearranged the mindmap
Merge branch 'development' of https://github.com/pse4/orange-proton into development
some styling of the search results
Merge branch 'development' of https://github.com/pse4/orange-proton into development

Conflicts:
	app/templates/_sidebar.mustache

	modified:   app/assets/javascripts/orangeproton.mindmap.js
	modified:   app/assets/javascripts/request.js
	modified:   app/models/information_providers/search_provider.rb
	modified:   app/templates/_sidebar.mustache