Add support for $COVERALLS_REPO_TOKEN
Add support for $COVERALLS_REPO_TOKEN

See https://docs.coveralls.io/api-introduction

hpi-swa/filetreeCI,fniephaus/filetreeCI,hpi-swa/filetreeCI,hpi-swa/smalltalkCI,hpi-swa/filetreeCI,fniephaus/filetreeCI,hpi-swa/smalltalkCI,fniephaus/filetreeCI