Hotfix /questions/:id route

Establish prefix for questions#show
Link to appropriate questions#show route on main idex page
Interpolate question object attributes in view

* Display question score, responses, etc.
Increase character limit for strings

* Increase 30 -> 140 (question title)
* Increase 30 -> 140 (user email)
* Increase 30 -> 100 (user password_hash)
Update seed file to generate questions

* Add score attribute when creating questions
Merge pull request #14 from wh1tney/db-schema

Update database schema