* updated SVGPathCommander to support a wider range of shapes, including closed/unclosed shapes
* added d3-polygon dependency for ***svgMorph*** component
* updated both ***svgMorph*** and ***svgCubicMorph*** components
* updated polyfill
* code cleanup
* documentation updates
* fixed polyfill
* fixed IE10+ issues with scroll
* reworked files and folders structure of the sources
* solved some demo issues
* code cleanup
* version bump