Squashed '7_1_Servomotor/' changes from 0188766..4d30037

4d30037 Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: 4d300374a696f4824aca95cabd108585d86ec3bf
updated subtree 7_1_Servomotor 2013.06.23.19.14