Added 3D graph tool with example app

Conflicts:
	support/client/lib/vwf.js
Improved line rendering
Added grid properties
Added graphFunction method to graph.vwf
Cleaned up THREEJS hierarchy by making the grid single object
Draw a new line on settingProperty
Merge pull request #197 from virtual-world-framework/branch/3d-graph-tool

Branch/3d graph tool