if using graphite_path, use the specified source/host/metric template
instead of just the cluster name
clean up metrics with spaces in them like we do for cluster names
mirror case_sensitive_hostnames logic when using graphite_path
Merge pull request #113 from siboulet/master

Add option to prevent gmetad from generating summaries for sFlow VM metrics
Merge pull request #114 from cburroughs/graphite-path-fix

Graphite path fix
Treat GANGLIA_SLOPE_DERIVATIVE as a legal value in Ganglia_metric_set
Add derivative to list of legal values for slope in gmetric help message.
Merge pull request #115 from dcbradley/allow_derivative

Treat GANGLIA_SLOPE_DERIVATIVE as valid
fix #117: gmetric does not return error on send error