KAZOO-2468: update basic spec issues dialyzer turned up
KAZOO-2468: fix some nagging dialyzer complaints
KAZOO-2468: add behaviour to module
KAZOO-2468: migrate settings used in other system_config docs that
whistle_media relies on into the media system_config doc
KAZOO-2468: add whistle_media to main migrate process
KAZOO-2468: move max recording time limit config fetching to util module
KAZOO-2468: add validation to walk the callflow, allowing us to validate
the individual callflow elements before saving
KAZOO-2468: use macro instead of magic number
KAZOO-2468: remove spaces
Merge pull request #347 from 2600hz/KAZOO-2468

Kazoo 2468