KAZOO-590: Add New libs for parsing .ini file & lib for reading futur config file for kazoo
KAZOO-590: Add new feature to config lib (string, atom, integer)
KAZOO-590: amqp bootstrap using wh_config
ZOO-590: couch bootstrap using wh_config
KAZOO-590: Correct get/multiple keys
KAZOO-590: refactor with karl
KAZOO-590: Refactor wh_config, amqp & couch bootstrap