Move last_random_cell_coordinates

Move feature last_random_cell_coordinates_at_controller_2048 from breach
master to breanch client_server and update all these tests to work on
BOARD_2048 and rename this to last_random_cell_coordinates_at_board_2048
Revert "Move last_random_cell_coordinates"

This reverts commit a9fffdba03cbbe0cf73b200c269e0735f1b9032b.
Move last_random_cell_coordinates test class

Move last_random_cell_coordinates_at_controller_2048 from breach master
to breach client_server, update all these tests to work on BOARD_2048,
and rename to   last_random_cell_coordinates_at_board_2048. See issue
#138