Add Travis CI file
Add scrutinizer file for code coverage
Change Travis to upload coverage report

Scrutinizer needs that Travis send coverage report after run tests and
this commit make sure it'll be send.
Add Scrutinizer code rating
Update README and add metrics information
Fix damn scrutinizer file
Adding phpunit config file.
Merge pull request #2 from gabrielsch/adding-phpunit-config

Adding PHPUnit xml config file.
Adding 100% coverage to event dispatcher.
Removing travis 5.3 build.