Squashed '7_1_Servomotor/' changes from 16d8b74..15d8c6d

15d8c6d Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: 15d8c6d6ad704e0353f0c5bc552f2780390eec14
updated subtree 7_1_Servomotor 2013.06.23.17.28