Updated from global requirements

Change-Id: I18a14ca014e764c3d76bd6df76216938f8cc5b05
Revert "Disable Metadata write operations on v1.1"

This reverts commit 23fa8e80c7a24abdfffadded1bc6eda0c5c071d0.

Based on the feedback we got from the summit, it seems that removing
queues and their metadata is not a good idea.

I'd like to revert this patch until we either choose to go 'The stubborn
way' or accept this actually makes sense.

Conflicts:
	marconi/queues/transport/wsgi/v1_1/metadata.py

Change-Id: Ic407e104a4108acc262a5a35c317ef6a9fc529a4
Merge "Revert "Disable Metadata write operations on v1.1""