Add support in stats graph module for drawing lines with multiple metrics in one graph. Using that, add settings for a graph of requests broken up by response code to pm.stats.routergraph.types.
Add support in stats graph module for drawing lines with multiple metrics in one graph. Using that, add settings for a graph of requests broken up by response code to pm.stats.routergraph.types.

kaze/paasmaker,paasmaker/paasmaker,paasmaker/paasmaker,kaze/paasmaker,kaze/paasmaker,kaze/paasmaker,paasmaker/paasmaker,kaze/paasmaker,paasmaker/paasmaker,paasmaker/paasmaker