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