add build.py --window options to not doing fullscreen app. This is storing a fullscreen metadata attribute in the AndroidManifest.xml.
fix P4A_xxx_DIR, it wasnt working at all, using directory from the previous module.
sdl: correctly send a resize event if the orientation of the screen changed + force the exposure of the window. This will trigger a new frame drawing, then window will be resized.
Tested with --orientation sensor on showcase example.
indent and normalize all java files
fix touch offest in window mode
doc: add sensor option for orientation.