Squashed '7_1_Servomotor/' changes from 7177cd2..a31e39f

a31e39f Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: a31e39f8e3e260338d522959351c59df8f3d9850
updated subtree 7_1_Servomotor 2013.06.23.19.24