Squashed '7_1_Servomotor/' changes from 2ef1ffd..4109543

4109543 Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: 410954384425517ac675a99ec35f14d27f7fe256
updated subtree 7_1_Servomotor 2013.06.23.17.27