Updated mediawiki/extensions
Project: mediawiki/extensions/OpenStackManager  e40684bd64f5a666a5370d28d6665b4f4726c373
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Combine netadmin and sysadmin

It's unnecessary to have both netadmin and sysadmin in our
environment. Let's combine them into a single role.

Change-Id: I5cf5ac9600aa44523d4d5a1c3573914ed2da150b