Added check if can move in each move attempt, in class APP_2048
Merge branch 'sprint_develop_28082014' of https://github.com/nmaguirre/eiffel-2048 into sprint_develop_28082014
corrected test in can move down tests
Method out in class BOARD_2048 corrected
Merge branch 'sprint_develop_28082014' of https://github.com/nmaguirre/eiffel-2048 into sprint_develop_28082014
Merge branch 'sprint_develop_28082014' of https://github.com/nmaguirre/eiffel-2048 into sprint_develop_28082014
tests nr_of_filled_cells_at_board_2048 and is_finished_at_controller_2049 created
Merge branch 'sprint_develop_28082014' of https://github.com/nmaguirre/eiffel-2048 into sprint_develop_28082014