Squashed '7_1_Servomotor/' changes from 4d30037..4a67a6a

4a67a6a Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: 4a67a6a6cbc9e329612770e47b2716f19ec62260
updated subtree 7_1_Servomotor 2013.06.23.19.23