Add phpunit/phpunit to composer.json
Add `test phpunit` command
Add `test run` command to run a whole "test suite"
Merge remote-tracking branch 'origin/master' into tester-phpunit

Conflicts:
	composer.json
Fix tests
Adapt to the latest code changes
Merge branch 'master' of https://github.com/joomla/jissues into tester-phpunit
Update composer.lock
Trigger a Travis build....
Hey dear Mrs. Travis,
could you please not make my builds fail because you have communication problems ?
Thanks.
Merge pull request #248 from joomla/tester-phpunit

Add phpunit functionality