KAZOO-2048: add shared listener for round_robin
KAZOO-2048: add generic API interface module
KAZOO-2048: move common functionality to util
KAZOO-2048: fix spec, formatting
KAZOO-2048: add shared listener to supervisor
KAZOO-2048: set whether a 'rr' event
KAZOO-2048: update existing apps to use new api module
KAZOO-2048: add log header
KAZOO-2048: update spec
KAZOO-2048: update compactor module name
Merge pull request #224 from 2600hz/KAZOO-2048

Kazoo 2048