Find a better solution for dependencies in README

[SatjaSivcev]

Too much duplication

[SatjaSivcev]

How about this?

| Sample/Dependency           | OpenCV                 | PCL                  | Eigen                  |
|-----------------------------|------------------------|----------------------|------------------------|
| CaptureWritePCLVis3D        |                        | version 1.2 or newer |                        |
| ReadPCLVis3D                |                        | version 1.2 or newer |                        |
| UtilizeEyeInHandCalibration | version 4.1.0 or newer |                      | version 3.3.7 or newer |
| PoseConversions             |                        |                      |                        |
| Downsample                  |                        | version 1.2 or newer | version 3.3.7 or newer |
| CaptureUndistortRGB         | version 4.1.0 or newer |                      |                        |
| CreateDepthMap              | version 4.1.0 or newer |                      |                        |