Complete #290.
Add atoum error handler in autorun, add atoum exception handler in autorun, improve error management in includer and improve configuration file error in script\configurable.
Merge pull request #291 from mageekguy/#290

The class atoum\scripts\runner now follow the Law of Demeter
PHP errors triggered in a configuration file, i.e. NOTICE WARNING and so on, are now displayed to the end-user.
It's possible to call CLI argument handlers via atoum\configurator with two equivalent syntax to avoid BC break.