Initial commit
Adding files for rgbd_grabber
added frame synchronization, index file, and automatic folder creation when covering the lens
Added the frameskip option and updated the readme
smart use of sprintf
removed a comment
Moved code to rgbd_grabber
Merge branch 'rgbd_grabber'
Merge pull request #1 from RaresAmbrus/master

Adding rgbd_grabber to the 3d_annotation_tool. Looking good!