Make method Plugin::getContaoRoot() non static and add unit tests.
Make Plugin::detectVersion() non static.
Refactored Plugin::detectVersion() to extract the version information from the constants file without require_once.
Made Plugin::loadConfig() non static.
Refactored Plugin::loadConfig() to use internal parsing rather than including the configs.
Get rid of the constants in bootstrap.php
Do not inject core when root package itself is of type the installer wants to handle.
Bump composer.lock
Properly delete test root dir after test.
Make unit testing happy again.
Move test classes for installers to correct location.
Merge pull request #8 from contao-community-alliance/remove-globals

Remove globals