Fixed issues with animation curve re-timing: need first reset their interpolation type to none)
Added support for -rotationInterpolation flag in AbcShapeImport command edit mode
Added reverse mode support when creating/editing animation curve
Added -filterObjects flag to AbcShapeImport command
Reset scene filter when cloning AlembicScene
Fixed locator node cloning: cloned scene locators wouldn't display
AbcShape sample time was not properly updated when loading a new scene
Read locators local position/scale animation
started work on user properties support in AbcShapeImport command