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
add: initial commit of demo files
add: demo files
improve: detect_face
improve: ytk_demo.py & rename
improve: execute mail
add: take photo & send mail
improve: add test files (test is for usb camera)
improve: test
Merge branch 'master' of https://github.com/wkentaro/utmech-ros-enshu into umoji