-Added initial draft of developer's guide for the JavaScript Renderer
-renderer.css, removed unnecessary properties.
-update sample/test html pages.
-MilStdAttributes, removed deprecated properties.
-Fixed singlepoint rendering bug when size was not specified.
-RendererSettings.js, Added get/setDefaultPixelSize() for single point rendering.
-Updated *Renderer.js files to use the new RendererSettings property.
-MultiPointHandler.js, updated populateModifiers to handle an object as well as a JSON string.  Keeping JSON string support for now for backwards compatablilty.