Squashed '7_1_Servomotor/' changes from 4a67a6a..2cc48d6

2cc48d6 Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: 2cc48d62b60644b15dc16923d8ab7c0e765e3bb5
updated subtree 7_1_Servomotor 2013.06.23.19.29