Add MovingGestureDetector
Ignore config.js
Remove Context Status
Move Serrializer and Unserializer to helper
Create submodule core/event
Move DOM factories to helper
Create submodule dom/event
Divide Specs. Rename helper to util
Add SelectGestureDetector
Add SelectGestureDetector
Refactor Event on Item
Fix bug. Append MOVE_TO to MOUSE_DOWN for PaintingGesture
Fix bug. Append MOVE_TO to MOUSE_DOWN for TextingGesture