Support for custom renderer on series graph
Support for custom renderer on series graph

Also moved config vars to node rather than container

CGATOxford/dashboard,kalabox/kalabox-dashboard,kalabox/kalabox-dashboard,chillu/github-dashing,chillu/github-dashing,kostasdizas/github-dashing,CGATOxford/dashboard,chillu/github-dashing,CGATOxford/dashboard,kostasdizas/github-dashing,kalabox/kalabox-dashboard,kostasdizas/github-dashing