qa_crowbarsetup.sh: make local variables lowercase
qa_crowbarsetup.sh: make local variables lowercase

This is a universally adopted convention.

vmoravec/automation,vmoravec/automation,SUSE-Cloud/automation,vmoravec/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,gosipyan/automation,vmoravec/automation,aspiers/automation,gosipyan/automation,aspiers/automation,gosipyan/automation,aspiers/automation,aspiers/automation,gosipyan/automation