fixed 3D Mesh lagging

We finally found and fixed the cause of the flexmeshes lagging slighty, that was one of the remaining blocking bugs that are left 🙂

Also fixed the Crash To Desktop (CTD) when changing the options, worked on the UI, added Culling for shadow casters to increase performance, fixed zero sized beams ripping vehicles apart and lots more.

And for the eyecandy, Sam worked a lot on the terrains, added lots of little details. These screenshots were taken with rather extreme postfx settings (more DoF, Blur, etc)