Custom shader tutorial / example extended by a slider and custom shader attributes
fix for #392 Part II
Add SpecularColor, EmissiveColor, Shininess and AmbientIntensity support for the MultiPart-Node
Fixed #412
Fix for #413
Renaming withCredentials Field to crossOrigin
CORS switch for all three cases
Added SplinePositionInterpolator.js to the Interpolation Component.
Added regression test case for SplinePositionInterpolator node.
No given value as standard for crossOrigin
"Intelligent" selection of CORS-Behaviour

If the requested image resource for textures is forbidden by SOP,
automatically add CORS-Headers.
Fix overlooked change in X3DTextureNode-Attribute "crossOrigin"
Fix comments for better understanding
Fixed regression test.
Added reference image for regression test.
Uniform function parameter name "src" for textures

Renaming the parameter for x3dom.Utils.createTextureCube to fit the
createTexture2D function parameters
Fix
fix for #392 Part III
very small DK2 adaption