Squashed '7_1_Servomotor/' changes from f39d8af..a6dd124

a6dd124 Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: a6dd124f9d72c38a98784a457d4b25f1e666da7f
updated subtree 7_1_Servomotor 2013.06.23.12.30