added high quality interpolation material
Merge pull request #60 from potree/high_quality

added high quality interpolation material
fixed las and laz examples
updated build
replaced LOD with point count target
improve lod decrease
added a comment for a possible performance improvement
Merge pull request #69 from potree/lod_improvements

Lod improvements
custom updateMatrixWorld() for PointCloudOctree
Merge pull request #70 from potree/lod_improvements

custom updateMatrixWorld() for PointCloudOctree
added minSize attribute to materials. updated build
Merge pull request #71 from potree/lod_improvements

added minSize attribute to materials. updated build
slight change to lod, comments for fog in interpolation shader