Squashed '7_1_Servomotor/' changes from 0e4e0ab..bd5c125

bd5c125 Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: bd5c1259a01f033a2b80fea0e4128c20ea9ab414
updated subtree 7_1_Servomotor 2013.06.23.12.29