Squashed '7_1_Servomotor/' changes from 37a1b7e..0739235

0739235 Update readme.md

git-subtree-dir: 7_1_Servomotor
git-subtree-split: 07392354f6be9666bac68d4e25d7227382b34b6e
updated subtree 7_1_Servomotor 2013.06.23.15.28