Adding, deleting or moving a monitor doesn't trigger project changed

[chrisgarrity]

Expected Behavior

Please describe what should happen
Adding, deleting and moving monitors should emit a project changed event. This one may be an easy fix.

Actual Behavior

Describe what actually happens
Project doesn't appear to be changed

Steps to Reproduce

Explain what someone needs to do in order to see what's described in Actual behavior above
Add or remove monitors. 'save now' does not appear in the gui nav bar.