Tests for deleting users.

These simple tests just checks that the list of users includes links
to delete and that when clicked they are removed from the system.
Added delete
Add tests for password field.

Do not allow password fields to be provided using text fields since
the text is visible on screen.
Merge branch 'master' of https://github.com/geisler/game_contest_server into dev
Added e-mail to details page
Add Bootstrap to Gemfile.
Merge branch 'master' of https://github.com/geisler/game_contest_server into dev

Conflicts:
	Gemfile.lock
Working on navbar/bootstrap. Also added webgl