reST support: If importing needed functionality fails, report that docutils >= 0.9 is needed.
reST support: If importing needed functionality fails, report that docutils >= 0.9 is needed.

Update issue 1661
Status: Done
Better error message if importing docutils fails.

userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3,userzimmermann/robotframework-python3