Kazoo 80

This pull request has a bug fix for ecallmgr_originate where it was not returning a correct Application-Response setting, causing stepswitch_outbound to report failure even though it was working.

It also contains work for KAZOO-1255.  Crossbar work for resources.

It also contains work for KAZOO-80, which allows local resources to be included in the list of possible resources to route a call.