KAZOO-2146: use quoted-printable transfer encoding for voicemail notification email
Merge branch 'KAZOO-2146' of https://github.com/bpdavis-scratch/kazoo into bpdavis-scratch-KAZOO-2146
KAZOO-2146: add optional content-transfer-encoding headers
KAZOO-2146: add get_ne_binary/{2,3,4} to whapps_config
Merge pull request #288 from 2600hz/bpdavis-scratch-KAZOO-2146

Bpdavis scratch kazoo 2146