Cleanup tests.

Change-Id: I203f92fe62c3f3f8204fdb7040c4e93956e8125c
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
Catch all purge requests, even if cache isn't configured.

When enabled, cache purge will now catch all requests with
PURGE (or specified) method, even if cache isn't configured.
Previously, it would pass such requests to the upstream.

Change-Id: Ic8ebf3eb22ce5862e98f7844670a096f56065746
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
Update nginx compatibility list.

Change-Id: Ifc1a8fb1bc80a4bf2c4d421b8a186b21ce9a6ce3
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
Update CHANGES (releng for 2.1).

Change-Id: I4f318d6c4487836b71476754014094873f20413f
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>