KAZOO-2460: First draft chunk cdrs
KAZOO-2460: better loading of CDRs
KAZOO-2460: avoid chunking if requesting a cdr / update views
KAZOO-2460: Add csv support
KAZOO-2460: Better date formating
KAZOO-2460: Update for pulll request
KAZOO-2460: Fix view
KAZOO-2460: specs
Merge pull request #431 from 2600hz/KAZOO-2460

Kazoo 2460: CDRs chunking