Merge pull request #2 from llefebure/master

Front end work / additions to user migration
Added better-errors for better debugging, changed site title to match app
Changed to PostGres for database
Sign in/sign out and routing
Merge pull request #3 from llefebure/sti-master

Sign in/sign out/sign up and routing
Simplified routing
remove my password from database.yml
Merge pull request #5 from llefebure/sti-master

Simplify routing
deleted athlete and coach controller
removed athletes and coaches controller