KAZOO-2956: cache not_found failures of account config docs
KAZOO-2956: filter out non-couchbeam options
KAZOO-2956: cache not_found failures when looking up media docs
KAZOO-2956: initialize json object properly
KAZOO-2956: update specs and formatting
Merge pull request #530 from 2600hz/KAZOO-2956

Kazoo 2956