[ATMO-840] Script complete. Now slightly more robust.
[ATMO-840] Script complete. Now slightly more robust.

	   * Pass name as kwarg.
	   * Implement count in launch method.
	   * Require count to be between 1 and 10.

	modified:   scripts/launch_instances_on_host.py

CCI-MOC/GUI-Backend,CCI-MOC/GUI-Backend,CCI-MOC/GUI-Backend,CCI-MOC/GUI-Backend