Squashed '7_1_Servomotor/' changes from a783c52..ab538b4

ab538b4 Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: ab538b4ec873c650788f0dbe426c4f3e65cfef12
updated subtree 7_1_Servomotor 2013.06.23.04.12