bugfixes getDist2FromLineSegment (CURA-359)
bugfixes getDist2FromLineSegment (CURA-359)

ROBO3D/CuraEngine,ROBO3D/CuraEngine,totalretribution/CuraEngine,totalretribution/CuraEngine,totalretribution/CuraEngine,alephobjects/CuraEngine,Ultimaker/CuraEngine,pratikshashroff/pcura,Ultimaker/CuraEngine,pratikshashroff/pcura,alephobjects/CuraEngine,alephobjects/CuraEngine,ROBO3D/CuraEngine,pratikshashroff/pcura