README

-	modified:   README.md

- Changed Title to look cleaner
- Checked off things in the Roadmap/Milestones because they are finished
- Added Heroku app setup into phase 1
- Phase 1 done!!!
- Added Oauth to phase 2
- Changed naming convention to gamification in phase 2
- Added a few bells and whistles into phase 3 for better overall summary of finished product