bug 1110904 - store IPs in new RevisionIP model
bug 1110904 - link to IP from revision dashboard
bug 1110904 - delete_old_revision_ips command
bug 1110904 - move to waffle switch & manager method
Merge pull request #2960 from groovecoder/log-revision-ips-1110904

bug 1110904 - store revision IPs for superuser review