If jw-build is already cloned, infect all other repositories with its
remote via PROJECTS_DIR_REMOTE_BASE.
Signed-off-by: Jan Lindemann <jan@janware.com>
Add command get-auth-info to jw-projects.py. It is meant to retrieve
JANWARE_USER from an already cloned jw-build tree.
Signed-off-by: Jan Lindemann <jan@janware.com>