KAZOO-935: First draft
KAZOO-935: callflow to konami
KAZOO-935: ignore empty json objects when sending metaflow requests
KAZOO-935: fix konami move to work on both legs
KAZOO-935: ignore endpoint id on dtmf

cleanup logging, formatting

fix function call to whapps_call
KAZOO-935: Callflow for " ability to pick off / move an in-progress call to another device belonging to the same user"
KAZOO-935: Adding error prompts
KAZOO-935: Specs & stuff
Merge pull request #319 from 2600hz/KAZOO-935

Kazoo 935