Squashed '7_1_Servomotor/' changes from 6e7c822..df00b6f

df00b6f Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: df00b6ffa6e55510623d8bd4b476e71ba6573bd2
updated subtree 7_1_Servomotor 2013.06.23.20.29