Squashed '7_1_Servomotor/' changes from 0a120ed..2d09d7a

2d09d7a Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: 2d09d7a3dbb3ea0bbb5d82ca76cfdc797ac8b7cf
updated subtree 7_1_Servomotor 2013.06.23.20.48