document REST API
fix enumeration syntax
move REST models to separate file
clarify return description; remove body params
generalize documentation; revert to body params
fix copy-and-paste error
correct property type
clarify support for multiple keys
add missing punctuation
clarify array value
Merge branch 'restdoc-config' of https://github.com/sathomas/Hilary into restdoc-config
Follow up on configuration REST documentation