#10 smooth curve draft
don't smooth straight lines with same values
#10 test method which show that tangent logic is ok.
#10 first broken smooth keyframe result
make translation through CurveBinding, which is more correct, (have to use it everywhere)
#10 fixed misprints + small refactoring
#10 bezier calculation fix
almost good result!
#10 first part of bezier curves solved (first keyframe show correct result)
#10 all test passed, but curve sims wrong
comparison with precision method
#10 partial bezier animation support
Merge branch 'feature/smooth_curves' into develop