Issue #531: New Tool: Segment curve at Point (dismine/valentina)

New issue 531: New Tool: Segment curve at Point https://bitbucket.org/valentinateam/valentina/issues/531/new-tool-segment-curve-at-point

Susan Spencer:

Users can create a point on a Curve with ‘Point Intersect Curve and Axis’.

With new tool ‘Segment Curve at Point’ the user can segment the curve at this point.