Adjusted Menno's merge changes so RhinoMath contains the EpsilonEquals helper functions, XML comments are added, and text spacing follows the rest of the project
Added ObjectCulling conduit event and zbuffer class. Rolled assembly version number for SR4 of Rhino
fixed some minor warnings found by xamarin studio
Change rhinocommon on github to target .NET 4
Mono plug-in loader needs to handle path when it is a bundle
Removed monobuild.py. No longer used in build process
Added example for plugin registration from code