Hide profile completeness from other users

- Only show the profile completeness prompt if the
user is viewing their own profile (an it is incomplete)
Added brakeman
Release script

Derivative of Paul Rhodes script from Parliamentary questions. Uses ISO
timestamps as the release versions
Renamed to release
Merge branch 'master' of https://github.com/ministryofjustice/peoplefinder

Conflicts:
	app/helpers/people_helper.rb
	spec/features/person_maintenance_spec.rb