Added new Constructor to SimpleGear
Merge branch 'master' of https://github.com/happah-graphics/happah
SimpleGear is now constructed by real interpolation. Added an additional interpolatePoints method for hpvec2.
Added a new Constructor for BSplineCurve and the composition of ToothProfile to a whole gear
Merge branch 'master' of https://github.com/happah-graphics/happah