add multi touches

Signed-off-by: 3dseals <lional.king@gmail.com>
Merge branch 'master' of github.com:3dseals/Ejecta-X

Conflicts:
	sources/ejecta/EJApp.cpp
	sources/ejecta/EJApp.h
	sources/ejecta/EJUtils/EJBindingTouchInput.h