Blender Git Loki

* Proportional edit mode 'random' falloff

This is another proportional edit falloff that slightly randomises the
influence. It's not strictly random, it's blended with linear falloff so that
it's a bit smoother. The nice thing is that it works with all transforms, axis
locking etc, including the special ones like to sphere, shrink/fatten/etc. It
can be used for all sorts of things like roughening surfaces. I most recently
used it to add a bit of randomness to the folds of some cloth. I
made a short demo video here: http://mke3.net/blender/etc/prop_random-h264.mov

Also included nicer icons for the falloff types.