* apple II - poc to redo binary states to use the Serializer and pass it into virtu
* virtu - savestate logic for Video
* AppleII - serialize more components with AppleSerializer
* cleanup
* refactor MachineEvents to store delegates to call and have the calling code interact with an enum, prep work for serializing this class
* apple II - first attempt at serializing Machine events
* cleanup
* add isvblank to savestates
* put more things in savestates, cleanup
* cleanup
* cleanup, save more things
* cleanup, fixes
* cleanup, save more things
* virtu - savestate fixes
* cleanup
* save CurrentDisk in savestates