Changed the tabs for spaces. Fixes #10
Implemented the initialRosMessage() method in the abstract class Play(). Fixes #11
Docummented the Play class and its derivated classes. Fixes #12
Updated the camera nodes and the dummy_camera. The depth images will no
longer be saved as video, but as separated images on depth_images
folder. They will not be normalized.
Changed the ball to use the singleton pattern, instead of externalizing the ball. Also, created a method to find the closest robot to the ball.
Forgot to add the geometry folder
Updated the dummy_camera (it now works).
Merge branch 'master' of https://github.com/unball/ieee-very-small
Fixed the bug with de depth image getting stretched when sent as message.
Fixes #7
Merge branch 'master' into vision-devel
Fixes #15

Conflicts:
	software/src/dummy_camera/dummy_camera.cpp
	software/src/vision/vision.cpp
	software/src/vision/vision_node.cpp