added directional light
added cascaded shadow maps
removed some commtents
fixed sun godrays
added orthographic camera support
added possiblity to disable pipelines
added new SunLightNode parameters
Merge branch 'feature/sun' of github.com:vrsys/guacamole into feature/sun
adapted defaults for SunLightNode
Merge branch 'feature/sun' into develop
We need remove_child for avango's distribution.
Merge branch 'develop' of https://github.com/vrsys/guacamole into develop
shadows obey masks now
Merge branch 'feature/improved_shadows' into develop
added background texture modes
added global clipping plane option
set output texture mode to repeat mirrored
implemented LODNode
fixed stencil map rendering of mipmaps
added new vignette