commented that NavType and Headlight are obsolete
borrow framework from Viewpoint.js
work on position, rotation, speed
refactoring, formatting, znear/zfar work
fixes, now seems functional
work on dynamic speed, fixes
added GCtoGD() to GeoCoordinate
GeoLocation: use GCtoGD and rotateYUp around GeoOrigin for consistency
GeoViewpoint: manage examine modes, apply GeoOrigin, use GCtoGD()
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.
Merge pull request #418 from ankit1089/spline_pos_interp

SplinePositionInterpolator