Preserve Component Overrides if Layer name (and Object type) match

MrMattSim

When swapping a component instance, any overrides should be preserved if their Layer name and Object type match. (Bonus marks if this behaviour works even for nested components!!)

Here's a trivial example:

Alex

This feature will be available in Lunacy 6.8

Alex

We added this feature in Lunacy 6.8

http://docs.icons8.com/release-notes/#68