Add source="1.2" attribute to javac task.
Add source="1.2" attribute to javac task.

dmj/jing-trang,brand/jing-trang,brand/jing-trang,hanshuebner/jing-trang,hanshuebner/jing-trang,dmj/jing-trang,hanshuebner/jing-trang,brand/jing-trang,dmj/jing-trang