Fix layout issues

As reported in #4. Page was blank, this was the result of not defining a layout.

Bug fix.

Controller bug fix

You need to return yo stuff.

Major refactor.

Removed the Ashsmith/HelloWorld directories, and setup so composer install is primary way of installing the module. Much better example for people to follow.

Composer installable.

General improvements.

- Fixed the controller to not use deprecated code.
- Template file will spit out the class name to show how it works.
- Added a composer file to make this bad boy installable via composer.