Removed both PhysX templates

Starting with Project Manager 2.0 it is easy to add the PhysX physics
library (and Bullet physics library) to any project.  The two PhysX
templates are no longer required.
Merge pull request #372 from DavidWyand-GG/PhysXTemplateRemoval

Removed both PhysX templates
Add a default RadioControl Profile and image asset back to the Templates.
Merge pull request #373 from thecelloman/radioprofile

Add a default RadioControl Profile and image asset back to the Templates...
New PostFx (Underwater, Turbulence, and Camera Based Motion Blur)
Update squish library to compile under Linux

There is a fix in the libsquish repository to make v1.11 compile under
Linux.  http://code.google.com/p/libsquish/  This involves adding an
#include <limits.h> to a couple of files.
Merge pull request #375 from DavidWyand-GG/SquishForLinux

Update squish library to compile under Linux
Changes to have Linux dedicated compiling again
Merge pull request #376 from DavidWyand-GG/LinuxFixes

Changes to have Linux dedicated compiling again