scale operation
ellipse scale
spline support
ellipse: fixed rotate
Merge pull request #1 from dxli/master

ellipse: fixed rotate
fixed ellipse scaling
reverted change to lua deps
move/copy/rotate new API
move/copy/rotate new API
using the std libraries instead of Qt for multithreading
Merge pull request #2 from dxli/master

ellipse: fixed scaling by dli
Merge pull request #10 from gaganjyot/master

Move/copy/rotate new API, Scale, Spline