Used composer autoloading and PHPUnit for tests suite.
Deleted unused files and git submodules.
Fixed issue in tests/Pheanstalk/FacadeConnectionTest.php.
Fixed some bugs with mocked return values in unit tests.
Modified calls to mocked objects in unit tests.
Some bugfixes in unit tests.
Some bugfixes in unit tests.
Some bugfixes in unit tests.
Some bugfixes in unit tests.
Some bugfixes in unit tests.
Added travis ci status notification in README.md.
Some bugfixes in unit tests.
Bugfixes and modifications in unit tests.
Removed restriction for branches in .travis.yml.
Merge remote-tracking branch 'phansys/unit-tests'

Tests changed from SimpleTest to PHPUnit.
README updated; SimpleTest => PHPUnit.
Added Javier Spagnoletti (phansys) to contributors.