Next pass is clean-up and fix of all the old usage

We have no hope of extending lua_State to add more data to it, because
that object may be created by Lua itself, for instance within a coroutine,
and it has no knowledge of our version of the object.

Reworked Primitive logic for scene rendering
FileUpdateTester works now .....

MeshViewer first pass

Add SafeEnum var in lua
MeshViewer SceneSetup is operational
Added imGui to vs-solution, not implemented yet

- removed 1210 CR characters
 - removed 17 trailing whitespaces
 - replaced 0 tabs with spaces
 - fixed 5 svn:eol-style properties

First pass on EzMesh integration (doesn't work yet)