Add destroyMachines to ECS
Merge branch 'develop' into mv-delete-container

Avoid conflicts down the line.
Disallow deleting the 'root container' token.
Clean up uses of forEach
Fix and add additional tests.
Merge pull request #434 from makyo/mv-delete-container

Add destroy machine to the ECS and deployer bar

This branch adds destroy machine/container functionality to the ECS and the deployer bar, including deleting queued addMachine records.
Merge pull request #437 from hatched/scale-up-backend

Hooks the new inspector scale-up UI to the back end.

The new inspector scale-up UI now has support for manually placing and automatically placing new scaled up units.
Remove old inspector scale-up functionality and markup
Fixed styling and markup to match the mockup for the new scale-up UI positioning
Removed failing tests from old scale-up UI removal
Do not show the new inspector scale-up UI if it's a subordinate