removed some un-needed unused methods
Removed Base URL

If you need this for local dev create a "development" folder inside of
./application/config and copy the config.php in there. Then make any
changes you want.
Removed encryption key

Use development config if you need this.
Added form_validation to autoload

Lets autoload form validation as well seeing as 90% of this application
will have forms that need data validated :)
Added default gitignore :)
Merge pull request #8 from williamknauss/feature/finish_forum_model

Feature/finish forum model