KAZOO-1658: update specs, remove dead branches
KAZOO-1658: update specs, pass in dial attributes for dtmf collection,
remove dead branches
KAZOO-1658: track whether to collect dtmf off the a-leg in a bridged scenario
KAZOO-1658: spec updates
KAZOO-1658: handle end of call event, and kill sub process on termination
KAZOO-1658: export the action_url/1
KAZOO-1658: check if the dial verb had an action, and request appropriately
Merge pull request #311 from 2600hz/KAZOO-1658

Kazoo 1658