No need to mention WebGL in draw-feature example
Revert changes to the icon example

The changes were made for testing WebGL, and we now have specific examples for WebGL point.
Revert changes to the synthetic-points example

These changes were made for testing WebGL. We now have specific examples for WebGL point.
Merge pull request #43 from elemoine/webgl-point-examples

[webgl-point] Revert changes to examples