Fixes broken RendererRegistry lookup and return NOT_IMPLEMENTED for unrenderable types
REST: Add support for establishing version from parameter in content type definition
REST: Allow disabling of ACCEPT header processing only for a defined set of user agents
fix failing tests
be more strict about applying transforms only to class nodes that follow the appropriate convention
various fixes to async handling: decorate onCompete handlers, fix web request decorator closure dispatch
Revert "be more strict about applying transforms only to class nodes that follow the appropriate convention"

This reverts commit 79753e87fd54e3df071f7936f2a6522a9a1dc083.