Add travis.yml file
Add test settings module
Change Travis config to use example settings.py
Adds validation to force creators to be a member of the Team. This is a partial fix for [#2].
Make secret key non-empty
Add instruction to sync the db
Change syncdb to migrations
Add Travis build status badge to README
Merge pull request #25 from GoatCTF/feature-travis-yml

Add travis.yml file to begin using Travis-CI.
Adds join request model so that users can request to join a team. This is a partial fix for [#3].
Fixes PEP-8 violations in test_player.py.
Merge pull request #26 from GoatCTF/feature-join-team

Feature join team
Merge branch 'dev' into feature-leaderboard

Conflicts:
	goatctf/core/models.py
	goatctf/tests/test_team.py