App controller - add simplify_classes etc. utility methods
Home - recent mappings - use simplify_classes
Concept details - handle sym in property keys
Ontologies - remove useful view var, find_by_acronym includes views.
App controller - use simple class in annotatated classes
NCBO-284 #comment revise resource index class search - include ontologies parameter
Merge branch 'rest_api_revision' of github.com:ncbo/bioportal_web_ui into rest_api_revision