modules/jira/client: Add support for versions

Change-Id: 6131a66b22
Story-Id: SF-6
modules/jira/client: Improve Issue

Add a couple of missing fields, namely FixVersions and Status, and a few other
tweaks.

Change-Id: f7e0628ff6
Story-Id: SF-6
wip

Change-Id: 9185eab20e
Story-Id: SF-6