Fixes #1553236 - remove plain text passwords in cloud-init templates
Fixes #1553236 - remove plain text passwords in cloud-init templates

The cloud-config uses a `plain_text_passwd: {{ user.password }}` which
could create potential security issues.

Therefore the cloud-config file, requires the 'plain text password'
replaced with a 'hashed password'.

Closes-bug: #1553236
Change-Id: Ic0c5992b5302f84819498ccd311cf19224142fa5
Signed-off-by: Anil Belur <d6e0e5c3b4a843824d922e1d502b6f6e375bb604@gmail.com>

openstack/bareon,openstack/bareon