Update RoverParser to have openFile method returning plateau object
Add execution methods to main via plateau
-add runRoverInstructions method in Plateau
-add showRoverFinalPostions method in Plateau
Add test and code in Plateau to verify that rover runs instruction through the plateau run rover instruction method
Add test and code in Plateau to verify that rover tells final position through the show rover final position in plateau
Add test and code in Rover to verify that after running the instructions, rover output its final position
Update instructions to an char array because the split method creates a bug adding an empty value in index 0
clean the order of the comparison part of my tests where I have the expected output before the actual output.  Re-organize code and clean from comments or white spaces