add: speak_robot & take_photo
Merge pull request #8 from wkentaro/wkentaro

add: speak_robot & take_photo
I made face detection
Merge branch 'master' of https://github.com/wkentaro/utmech-ros-enshu into TenninYan
i made beautiful indent
changed some mistake
changed another mistake
Merge pull request #9 from TenninYan/TenninYan

I made face detection
Merge: take_photo.py