fixed broken compilation (include of deleted header (it was a gernerated header and the ui file was deleted))

RobotViewerGuiPlugin: Extended to allow copying of joint configurations and TCP …

…positions to the clipboard

In the attached file you can see the extended RobotViewerGui on the right side. It is now possible to choose a kinematic chain, the frame and the output type. The output is shown in a preview text box and can be copied to the clipboard using the designated button. The preview will update automatically but this can be disabled using the check box.
![CopyToClipboard](/uploads/630ae936d723119df2bd393e47ddd839/CopyToClipboard.png)

See merge request !18

RobotViewerGuiPlugin: Extended to allow copying of joint configurations and TCP positions to the clipboard

* stable:
  version bump to v0.8.6

Kinematic unit GUI

Add visualization of failures.
Remove column  temperature.

Only tested in simulation!

See merge request !17