Add Bootstrap to Gemfile.
Merge https://github.com/geisler/game_contest_server into test

Conflicts:
	Gemfile.lock
Simple tests for the Bootstrap navigation bar

This test simply checks that we've tried to put in a navigation bar
and the corresponding links.  It needs some fixing that will make it
more specific when a particular bug can be traced, but for now is
"good enough."
Merge https://github.com/geisler/game_contest_server into test
merging in new rspec tests for navbar.
Added in a navbar with links to user list and signup page
Second attempt to add in working navbar