Simplified the calling of the tests.

Added a phpunit configuration file to simplify the calling of all the tests files.

Updated the travis configuration in order to make it use the phpunit config xml file.
Removed the After arg file. Not part of the pull request.
Merge branch 'develop' of github.com:lamamos/lamadmin into develop

Conflicts:
	.travis.yml
	tests/BooleanArgumentTest.php