Fix a problem in which zero width slices were occupying the entire pie
Fix a problem in which zero width slices were occupying the entire pie

torkelsson/ganglia-web,luckypoem/ganglia-web,luckypoem/ganglia-web,torkelsson/ganglia-web,luckypoem/ganglia-web,torkelsson/ganglia-web,ganglia/ganglia-web,ganglia/ganglia-web,luckypoem/ganglia-web,luckypoem/ganglia-web,ganglia/ganglia-web,torkelsson/ganglia-web,ganglia/ganglia-web,torkelsson/ganglia-web,ganglia/ganglia-web