added basic twitter
* used module from car trading thx @f3lan
Merge branch 'master' of https://github.com/New-York-Falcons/orienteering-game into twitter_integration
Merge branch 'master' of https://github.com/New-York-Falcons/orienteering-game into twitter_integration

Conflicts:
	Gemfile.lock
fixed Gemfile.lock
Merge branch 'master' of https://github.com/New-York-Falcons/orienteering-game into twitter_integration

Conflicts:
	Gemfile
Merge pull request #25 from New-York-Falcons/twitter_integration

Basic Twitter
Merge branch 'master' of https://github.com/New-York-Falcons/orienteering-game into submit_course