Squashed '7_1_Servomotor/' changes from eccaf93..373fb15

373fb15 Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: 373fb15846721ab6ad848f10d88b11184e5afdc2
updated subtree 7_1_Servomotor 2013.06.23.15.29