Add the ability to specify default param values in register_json_route
Include defaults checks in Request unit tests
Test setting default param value via register_json_route
Change defaults to lowercase
Merge pull request #715 from WP-API/default-params

Add the ability to specify default param values in register_json_route
Merge branch 'develop' into optional-required-arg

Conflicts:
	tests/test-json-server.php