Add method for finding admin role.
Add method for finding admin role.

mfolsom/therafinder,codeclimate-test/base-app,tycoool/QADemo,renderedtext/base-app,mfolsom/therafinder,andjosh/invoiceapp,andjosh/invoiceapp,sammarcus/base-app,renderedtext/base-app,codeclimate-test/base-app,geremih/recollab,tycoool/QADemo,geremih/recollab,sammarcus/base-app,codeclimate-test/base-app,sammarcus/base-app