Upload test files and GUIs for drawing.
1) A.java just is a demo for GUI, LeffRightForm_test.java is referred
from A.java file.
2) ImagePanel.java is GUI for drawing Points.
3) RightLeftGestures_test.java & LeffRightForm_test.java should only for
testing.

* Please do not touch in RightLeftGestures.java & LeffRightForm.java
files until the app is possible to run.