Merge pull request #111 from genu/master

Phing  and build.xml updates
Set the correct travis-ci link
Fix image link
clones joomla in tests/unit/.joomla-cms so it can be bootstrapped to it.
Unit tests can be run with 'phing phpunit'. So far there arent any tests yet
Unit tests can be run with 'phing phpunit'. So far there arent any tests yet
Merge pull request #112 from genu/feature/unit-test

clones joomla in tests/unit/.joomla-cms so it can be bootstrapped to it.