add index for created_at
Fix for bug 1007582 and bug 1008517
Merge pull request #3645 from rajatchopra/index

Merged by openshift-bot
Merge pull request #3633 from abhgupta/abhgupta-scheduler

Merged by openshift-bot
Automatic commit of package [rubygem-openshift-origin-frontend-nodejs-websocket] release [0.1.5-1].
Automatic commit of package [rubygem-openshift-origin-frontend-apache-vhost] release [0.1.4-1].
Automatic commit of package [rubygem-openshift-origin-frontend-apache-mod-rewrite] release [0.1.5-1].
Automatic commit of package [rubygem-openshift-origin-frontend-apachedb] release [0.1.5-1].