Show different ways of controlling the motors. (1) LB,RB,LT,RT buttons on the forefinger (2) tophat (3) left & right joysticks with logarithmic control.

Using the joysticks seems the best since log control can be coded. Plus RB/LB button can be added for fine-tuning the speed.

tophat can be used for the arm, to raise up & lower down. Tophat has no speed control.
Merge pull request #47 from tarzandroid/master

Minor updates (I think)