add test for admin
add migration with boolean attribute admin, false by default
run migration
edit rake task so first user is admin user
adding a factory for admin users
* test for admin
* for admin's ability to delete users
* that the user then is deleted from database
* the regular users cannot delete
fix rake task
* add delete link to user partial if admin
* add destroy action to controller and add to before_action
* all tests pass
a test for protecting the destroy action
adding a before filter to restrict the destroy action to admins
clean out Gemfile. All tests pass.
testing that admin attribute is forbidden
* test: when signed in it should not show sign up button on root
* implement
* all tests pass.
* test that admin can't delete himself
* implement that admin can't delete himself
Merge pull request #23 from danbender/admin

Admin