* Add WorldWind shim as library reference
- Closes#254
- Update the WorldWind object to reference the KmlControls and KmlTreeVisibility classes
- Fix ordering of dependencies in WorldWind
* Added 'resetBoundaries()' call in related SurfaceShape setters
* Added changing path types and number of edges tests in the example
* Added first test of changing a shape's polar throttle
* Corrected comment typo
* Added frame statistics layer to example
* Added layers and a shape to study polar throttling
* Modified north polar ellipse. Improved comments for the example.
* Removed unused polar throttle switching function
* Removed console.log() call
* Applied WebStorm's code reformatting