Merge pull request #106 from bhattigurjot/master

adds command console and scripting widget
cut-paste and copy-paste for point corrected
Merge pull request #107 from ChanKaur/chan

cut-paste and copy-paste for point corrected
cut copy paste implemented for circle and ellipse
Merge pull request #108 from ChanKaur/chan

cut copy paste implemented for circle and ellipse