Update Rack per posted security bulletin
Merge pull request #399 from cheald/master

Update Rack - CVE-2013-0263 and CVE-2013-0262
Update to Rails v 3.2.12
Merge pull request #400 from rdlugosz/update_rails_to_3-2-12

Update to Rails v 3.2.12
added a generic "Web Hook" notification service
Merge pull request #402 from boblail/webhook-notification-service

added a generic "Web Hook" notification service