storing user info from SSO in the Rails cache
removing redundant info from cucumber feature
removing need to specify requester email

requesters no longer need to specify their email address.
Information from SSO is used to set the requester details
on the submitted requests.
showing the current user's name, adding logout
implementing more of the User interface with tests
switching to a redis-backed cache store
fixing rebase issues
adding name to string representation of ticket
Merge pull request #30 from alphagov/removing_need_to_specify_requester_email

Removing need to specify requester email