If the selected machine token is hidden then clear the container column
Added tests to make sure that hidden selected machine tokens clear the container column
Update process docs about launchpad-login
Merge pull request #652 from hatched/launchpad-login-doc

Update process docs about launchpad-login
Merge pull request #650 from hatched/select-machine-1390228

Clear the container column if the machine token is hidden

When using the added services bar to highlight services it's possible that a selected machine is hidden. If it is then we want to clear out the container column and deselect the machine token.