Issue #411: Curve Tool handles detach from curve (dismine/valentina)

New issue 411: Curve Tool handles detach from curve https://bitbucket.org/valentinateam/valentina/issues/411/curve-tool-handles-detach-from-curve

Susan Spencer:

In Ubuntu test build on Ubuntu 14.04 64 bit:

Created Curve When I moved the handle to change the straight line to a curve, the entire handle became detached. See image.