State machine - Remove edit transition button
PMG - Remove predecessors from json serialization
MCQ - Remove useless impact on Choice entity
Remove defaultInstance from json serailization
Optim - Remove useless mcqsinglechoicedescriptor table
Add full screnn icon to spritesheet
Optim -  Do not wait for descriptors to retrieve page
Optim - Add gauge & diff match patch to the combo
Fix MCQ Descriptor import