Upload files testing & improvements.
Allow creating referenced sub-resources in a single request.
Allow auto creating new terms or selecting existing ones, and improve taxonomy integration.
Merge branch '7.x-1.x' of https://github.com/Gizra/restful into 7.x-1.x
Merge branch '7.x-1.x' into 105-general-rate-limit

Conflicts:
	plugins/rate_limit/RestfulRateLimitInterface.php
	plugins/rate_limit/RestfulRateLimitRequest.class.php
Fix signature.