Issue #274: Add The Curve options dialog box. (dismine/valentina)

New issue 274: Add The Curve options dialog box. https://bitbucket.org/valentinateam/valentina/issue/274/add-the-curve-options-dialog-box

Roman Telezhinskyi:

The Curve options dialog box will appear when:

  • User highlights curve then right clicks on curve and selects ‘Options’ (current)
  • User highlights curve then right clicks on a control point and selects ‘Options’ (new)

Responsible: dismi_