v0.2.0: Diamond v4.x support and Docker

Added suport for Diamond v4.x, now in master/develop branch.
Added Docker using confd with etcd configuration (for Coreos). It will fallback to env backend if etcd is not found.

v0.1.2: API version downgrade and attributes-list bugs fixed

API version 1.12 seems to be working on most NetApps (but with warnings on the newest Ontap versions).
Fixed bug getting attributes-list from an empty children.

v0.1.1: Sorted output, Vagrant support and new configurator utility

Sorted output (thanks to Jason Lee).
Fix lint errors and initial PEP8 compliance (thanks to Jason Lee).
Fixed small cosmetic bugs.
Added Vagrant support for testing and demo purposes.
Added diamond-ontap-configurator.sh to add remove devices.
Added git submodule pointing to the correct Diamond version.

v0.1.0: Initial release of OntapClusterCollector

Diamond Plugin for Netapp devices: 7-Mode and C-Mode.
Standalone program to get/check the performance objects on NetApp.