add README
update readme
add system figure
add image
Update README.md
update system configuration image
Merge branch 'readme-for-jsk-interactive-markers' of github.com:tarukosu/jsk_visualization into readme-for-jsk-interactive-markers
add ppt file for image
Merge pull request #167 from tarukosu/readme-for-jsk-interactive-markers

Readme for jsk interactive markers