Make Special:UploadCampaigns visible to everyone

Show Special:UploadCampaigns to people without editing rights, just don't
show hide the edit and delete buttons from them.

* I know this is a dirty hack; but I couldn't think anything better.

Bug: 36914
Change-Id: Ifa970268a5a4e18200b4dc1fddfa45d27c74eac5
Merge "Make Special:UploadCampaigns visible to everyone"