remove process explicit mappings
Merge branch 'staging' into implicit_mappings
Merge branch 'staging' of https://github.com/ncbo/ontologies_api into implicit_mappings
implicit mappings - serializer
implicit mappings - controllers and tests (except POST/DELETE calls)
implicit mappings - REST mappings in controller
recent call
recent mappings test passing
delete and get mapping calls - rest
counts tested in controller
fixed type mapping controller
fixed mapping test for counts
all mapping tests passing except ID serialization
merge implicit mappings
new test set of mappings to test annotator
fixed serializer issues for implicit mappings