Initial error handling.
Adds pass-thru error support for 404 and 500's;
Both errors use simple errorController, with different view templates.
Add "/fail" route to errors lib for 500 testing.
Creates a m*fn work of art.
Merge pull request #48 from kwhitley/feature/34-error-handlers

Adds 404/500 support via pass-thru to Angular

Closes #34