Merge branch 'master' of https://github.com/alces-software/symphony.wiki
Updates
Updated INSTALL: Build Symphony Controller (RDO Openstack) (markdown)
Fixes to users and groups section
Removed default option from create user
Fixed user-create
Fix install epel-release
Update
Added openstack use
Added cloudinit:horizon
Cloudinit tutorial
Updated architecture link
Fixed links
Added Launching OpenStack Instances
Wiki sources
VPN install guides
Updated TUTORIAL: Uploading OpenStack Images (markdown)
Fix
Fixes
Change contents
Table images