/crane/repositories endpoint uses wrong header
CLOSED - CURRENTRELEASE
Version - Crane:
Target Release - Crane:
Easy Fix, Pulp 2
The endpoint ```/crane/repositories``` looks for the ```Content-Type``` header to decide what type of content to return in the response. That is an incorrect use of this header, and the correct one to use is ```Accept```.
Check 'Accept' header to determine content type to return
https://pulp.plan.io/issues/1103 fixes #1103