Adjust Config class to the docs.

Change-Id: Ic29edd79c44a2aa6b04dee698240d0fdda657709
instruction for dev env for horizone plugin

Change-Id: I9f3f364a3234ed469594398c784027a7c4c3c74f
Merge "instruction for dev env for horizone plugin"
Improve REST API bindings.

* pass replaced with unified "NotImplemented" error;
* typo fixed in node_group_templates wrapper.

Change-Id: I8a737e1aaa0c1f75a301bc64d381833eef9166a9
Plugin stub updated to the latest version of configs vision.

Change-Id: I6164d828b204bc0211f6af628a605f129cb578d4
TemplatesRelation is now NodeGroup-like object.

* model extended;
* storage layer updated;
* tests fixed.

Change-Id: I94be8da85e35ee5db876bc0614ee3de87e42bb8f
Simple REST API call samples has been added.

* it could be removed in future;
* it contains jsons for creating both node group and cluster templates.

Change-Id: I13fc834cb11b3f21a02198a3f02334205532bc23
Merge "Improve REST API bindings."
Merge "Plugin stub updated to the latest version of configs vision."
Merge "TemplatesRelation is now NodeGroup-like object."
Documentation for Hadoop-Swift integration was added

Change-Id: I117bb78bcc00b540c1bc12d6c68721ffe6ff5d5f
Adding lintstack to support pylint testing.

* it should be carefully configured in future

Change-Id: I35f21e7fbfab3c5fa07cd3652f47469bb2939abd
Pin pbr to avoid sphinx autodocs issues

* https://review.openstack.org/#/c/32046/

Change-Id: I9254c735edfb555fb97dcec281d22d7fe6293c9e
Merge "Simple REST API call samples has been added."
Merge "Adding lintstack to support pylint testing."
Merge "Pin pbr to avoid sphinx autodocs issues"
Core part improvements.

* node group tmpl props are now copied to the node group
* imaage_id is now taken from cluster base default image id or specific one from node group

Change-Id: I141110fbe1ba9dbc2f82d5748af6cd8643c411ee
Small code improvements.

* avoid None iteration in configs util
* display instances in cluster details
* display more info while provisioning cluster

Change-Id: I33026468911a3f93695468cde8d67db02485a77a
Merge "Core part improvements."
Merge "Small code improvements."