Switched DOF to Lensblur technique, reimplementing from http://vvvv.org/forum/porting-lensblur-to-dx11 , due to some limitations of LensBlur this should be the last stage after tonemapping (LensBlur currently doesn't like 16 bit floating point textures will fix that)
Fixing some stuffs with spline, probably will switch from bicubic interpolation to something else due to the fact that currently the splines don't go through their control points
fixing some velocity problems in pn-triangles curving amount