jujubot Merge pull request #9147 from hmlanigan/charm-fail
#9147

## Description of change

Adding an lxd-profile charm to facilitate and test the lxd profile updates by charms. Once the lxd profile work is complete, the force flag will be necessary to deploy this charm.

## QA steps

deploy the charm locally

once the lxd profile work is done:
deploy the charm locally, watch it fail.
deploy the charm locally with --force.
Latest commit 09a0eb0 Aug 31, 2018