adding performance test script
small usabitily updates to terrain
mipmap terrain data source when too much data for resolution, add elevation exageration
make sky work properly for all cameras all the time by doing the actual geometry displace in the shader and take into account the near and far
make sky use fog, add options for graident sky, hook up all to editor
align sky and fog properties
triplaner textures for height map terrain
update to terrain shader
hook up shader to GUI, remove all but basic shading for now
fix ambients, light dot
lots of gui fixes from user logs
Merge branch 'development' into normalmapTerrain
build better terrain example
first work on terrain decorator
merge in development
work on terrain decoration
remove grass system for now