update the document of Location.  - remove setX, setY  - add setLocation
update the document of Location.
 - remove setX, setY
 - add setLocation

bx5974/sikuli,bx5974/sikuli,bx5974/sikuli,sikuli/sikuli,bx5974/sikuli,bx5974/sikuli,sikuli/sikuli,bx5974/sikuli,sikuli/sikuli,sikuli/sikuli,bx5974/sikuli,sikuli/sikuli,sikuli/sikuli,sikuli/sikuli