KAZOO-731: cost wrongly calculated in cdr and transactions views
https://2600hz.atlassian.net/browse/KAZOO-731
SOLVED - issue KAZOO-786: floor and ceiling functions
https://2600hz.atlassian.net/browse/KAZOO-786
KAZOO-731: formating tweak
Merge pull request #14 from 2600hz/KAZOO-731

KAZOO-731: Cherry pick accepted commits from pull request #10