[JIRA] (OVIRT-1958) Allow custom checkout dir

Allow custom checkout dir ------------------------- Key: OVIRT-1958 URL: https://ovirt-jira.atlassian.net/browse/OVIRT-1958 Project: oVirt - virtualization made easy Issue Type: Improvement Reporter: Daniel Belenky Assignee: infra Currently, we assume that the checkout dir has the same name as the project. This should be configurable by environment variable passed from JJB.