Adding Grid and FullScreen actors to the scripting layer
Merging in a bunch of changes learned from samples-3. Vector3 wrapping; camera movements; file modification checks; disabling vsynch since we're double buffered.
<sigh> whatever works on Windows doesn't work on the Mac... may be driver related, UGH need to do a bunch of experiments on the Windows side.
Moving history and license files to top-level.

--HG--
rename : Code/HISTORY.txt => HISTORY.txt
rename : Code/LICENSE.txt => LICENSE.txt
Updating Windows build to VS2010.
Updating Windows build to VS2010.
Updating .gitignore to match .hgignore with new Windows build.
Updating to eliminate build warnings.
Pulling logic for tuning file check out of script so we're not crossing the barrier quite so often.
More README updates