Merge branch 'release/0.2.1' into develop
Added scrutinizer config.
Fixed some issues detected by scrutinizer.
Added JUnit reporting (fixes #36)
Disabled notify-on-install in composer config generation (so packagist install counts aren't inflated by CI) (fixes #34)
Removed .scrutinizer.yml [ci skip]
Bumped version number and updated changelog.
travis.install.php now 'forwards' composer's exit code.
Merge branch 'release/0.3.0'