Merge pull request #23 from tokejepsen/update1.2

MG_polyRivetGUI
added curve point
Merge branch 'update1.2' of https://github.com/giordi91/MG_Tools into update1.2
implemented MG_nurbsRivet python script
 cleaned rivets
Merge remote-tracking branch 'upstream/update1.2' into update1.2
MG_extrudeEdge, MG_nurbsRivetGUI

MG_extrudeEdge:
- script done
MG_nurbsRivetGUI:
- changed name of python script to be included when generating the Maya
menu