Removing unneccessary HTTP verbs
Remove database.yml

* Add to gitignore
* Add config/database.yml.example
Remove sqlite3

We should use the same database on every environment
Merge pull request #15 from SCdF/remove_unneccessary_http_verbs

Removing unneccessary HTTP verbs
Merge pull request #12 from edgurgel/remove-database-yml

Remove database yml
Change signature of question model for incrementing and decrementing

Also remove puts & simplify likes
Seem to need `self` to find `likes_count`
Listen for a click on "vote" button. Remove facebook handlers.
Update views to remove facebook
Rename `like` to `vote_for`. Remove `unlike` until users.
Migrate `likes_count` to `vote_count`