Added phpunit to require-dev
moved default phpunit configuration file
fixed broken autoloading
Added composer.lock
Merge branch 'v1.1-testsuite-fixes' of https://github.com/0x20h/kco_php into MINT-1465-Refactored-Testsuite-setup

* 'v1.1-testsuite-fixes' of https://github.com/0x20h/kco_php:
  Added composer.lock
  fixed broken autoloading
  moved default phpunit configuration file
  Added phpunit to require-dev
Add dev tool packages
Move coverage and junit logging into phpunit config
Constants should be uppercase
Update link to documentation
Add 0x20h to acknowledgements
Merge pull request #1 in MINT/php-checkout from MINT-1465-Refactored-Testsuite-setup to v1.1

* commit '1f3e95b2c0955375afc14c277fa43bddb436d00d':
  Add 0x20h to acknowledgements
  Update link to documentation
  Constants should be uppercase
  Move coverage and junit logging into phpunit config
  Add dev tool packages
  Added composer.lock
  fixed broken autoloading
  moved default phpunit configuration file
  Added phpunit to require-dev