invalidate Volume in EG
started torus angle field
finished angle field and caps for torus
Merge pull request #205 from stepasite/master

fix for #168
fixed update
added topRadius field to cone
added plane primType flag
preparation for edf geometry component
Added Dish primitive to GeometryEDF.js
Added Snout primitive to GeometryEDF.js
Added Pyramid primitive to GeometryEDF.js
Add SlopeBottomCylinder primitive to GeometryEDF
Add RectangularTorus primitive to GeometryEDF
some inner and outer radius optimization
renamed fields for consistency (and added TODO for correct normal calculation)
Changed name of EDFPrimitive

SlopeBottomCylinder to SlopeCylinder
minor fixes and added Extrusion skeleton
revert torus modifications
added Extrusion (only face normals supported, no orientation field etc)
moved Extrusion (work cont'd) to where it belongs