patch controls move modifiers: shift = only move along the axis with the biggest move, ctrl = snap hard to grid and povit lines fix a couple of Patch::Calculate_AvgNormal() and Patch::NaturalTexture() problems
git-svn-id: svn://svn.icculus.org/netradiant/trunk@1 61c419a2-8eb2-4b30-bcec-8cead039b335