MiniProfiler instead of perftools
Don't return all submissions when doing include=all for ontologies
Better check for include param
Endpoints for groups, categories, projects per ontology
Categories per ontology
Groups per ontology
Latest submission for ontology
Project per ontology
Merge master
Ignore cache folder
Use rack-cache only in production
Fix broken route for ontology groups
tree call becomes path_to_root
change in test route to paths_to_root
test for treee
reply roots
Merge branch 'master' of github.com:ncbo/ontologies_api into ri_wrapper_dev
Force params for tree route
Revise element structure so fields is a hash.
Merge branch 'master' of github.com:ncbo/ontologies_api into ri_wrapper_dev