openshift/origin-server — pull request #2224 by BanzaiMan (2013-04-24 21:11:17+00:00)
Title: Card 245

Validate 'Cartridge-Vendor'; raise OpenShift::InvalidElementError if any
of the following is true:
1. it is `redhat`
2. it contains a non-alphanumeric character except the underscore
3. it starts with an underscore