* Changed background color to black in most examples
* Add atmosphere layer to all examples
* Move atmosphere layer to show inner shading on all layers.
* Added comment pointing out importance of adding the atmosphere layer at the end
* 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
* Test to update state of both a placemark and a SurfaceShape ellipse
- Placemark's position updates correctly, the ellipse heading
is not being modified
* Modified setters for SurfaceCircle, SurfaceEllipse and SurfaceRectangle
- Added SurfacePolygon and SurfaceSector to SurfaceShapesUpdating example
* Added function to SurfaceShape that resets boundaries
- Cleans code for boundary recomputing
* Added resetBoundaries function to SurfaceShapes setters.
* SurfaceSector now has setters to update its state.
- The example has been modified to reflect the changing
SurfaceSector.
