Admin:SGE

Add a host to the SGE

 * 1) SSH into the host.
 * 2) Check that SGE_ROOT=/sge/GE is set.
 * 3) Go to /sge/GE.
 * 4) Run ./install_execd
 * 5) *Use /var/sge/spool/execd as spool-dir.
 * 6) *Create start-script.
 * 7) *Don't create default-queues.