- lots of improvements to persistence system:  * added auto reload of last design based on saved data  * improved persistence coherence (WHEN & HOW it needs to take place)  * overall related code restructuring & cleanup  * now clearing/reseting the global state better when creating a new design
- lots of improvements to persistence system:
 * added auto reload of last design based on saved data
 * improved persistence coherence (WHEN & HOW it needs to take place)
 * overall related code restructuring & cleanup
 * now clearing/reseting the global state better when creating a new design

usco/Jam,usco/Jam