Update Wikimedia ruleset

Remove dead hosts/subdomains brewster, ekrem, emery, static

Create rule to combine potential wikitech targets (labs-ns[01]
and virt0, and redirect them to wikitech

Remove various exclusions for dumps.wikimedia.org targets,
create rule to redirect dumps

Update labs subdomains to catch all redirect to HTTPS
Remove bug-attachment exclusion too
Merge pull request #342 from reedy/wikimedia-30062014

Update Wikimedia ruleset.