Let state manage inspector changeover
Merge branch 'develop' into deploy-inspector-1336360

Help CI out.
Merge pull request #414 from makyo/deploy-inspector-1336360

Let state manage inspector changeover

Inspectors should only be destroyed by state emptying section A.
Up mocha timeout
Merge pull request #416 from makyo/mocha-timeout

Up mocha timeout

Should help with init timeouts in CI
Style the upgrade charm panel and link.