Update README.md

Changed version to 3.5

README.md

@@ -1,4 +1,4 @@
-Torque 3D v3.0
+Torque 3D v3.5
 ==============
 
 MIT Licensed Open Source version of [Torque 3D](http://www.garagegames.com/products/torque-3d) from [GarageGames](http://www.garagegames.com)