Hanami contributors

All russCloak commits

Fix typo in testcontroller
Bring lines in accept test under 80 characterscontroller
Grammar improvements to documentation for mime.rbcontroller
Do not enforce uniqueness on MIME typescontroller
Remove extra "get_" from the method namecontroller
Improve wording on test descriptioncontroller
Add accessor to configuration for known MIME typescontroller
Honor RFC 2616 (14.1) with Accept header prioritycontroller
Rework #content_typecontroller
Add #accept_header?controller
Add #get_custom_mime_type_from_accept_headercontroller
Rework #accepts to be more clearcontroller