Squashed '7_1_Servomotor/' changes from e4d6ddc..7177cd2

7177cd2 Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: 7177cd27313b9f2492c551514364815b71912b1e
updated subtree 7_1_Servomotor 2013.06.23.19.15