Squashed '7_1_Servomotor/' changes from 2cc48d6..0a120ed

0a120ed Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: 0a120ed51e2487b320b2c046e5451d1abf690ed4
updated subtree 7_1_Servomotor 2013.06.23.20.28