Sort aggregate graphs correctly
Sort aggregate graphs correctly

Sort aggregate graphs by hostnames.
torkelsson/ganglia-web,luckypoem/ganglia-web,ganglia/ganglia-web,torkelsson/ganglia-web,torkelsson/ganglia-web,luckypoem/ganglia-web,luckypoem/ganglia-web,torkelsson/ganglia-web,luckypoem/ganglia-web,ganglia/ganglia-web,ganglia/ganglia-web,torkelsson/ganglia-web,ganglia/ganglia-web,luckypoem/ganglia-web,ganglia/ganglia-web