fixes in Jam msvcgen -> use SSE instead of SSE2 to stay compatible with older AMD Athlon XP processors, updated build files, minor compile fixes for GPU experimental code

Demos/Box2dDemo/CMakeLists.txt

@@ -0,0 +1,32 @@
+# This is basically the overall name of the project in Visual Studio this is the name of the Solution File
+
+
+# For every executable you have with a main method you should have an add_executable line below.
+# For every add executable line you should list every .cpp and .h file you have associated with that executable.  
+
+
+# This is the variable for Windows.  I use this to define the root of my directory structure.
+SET(GLUT_ROOT ${BULLET_PHYSICS_SOURCE_DIR}/Glut)
+
+# You shouldn't have to modify anything below this line 
+########################################################
+
+INCLUDE_DIRECTORIES(
+${BULLET_PHYSICS_SOURCE_DIR}/src ${BULLET_PHYSICS_SOURCE_DIR}/Demos/OpenGL }
+)
+
+LINK_LIBRARIES(
+OpenGLSupport  BulletDynamics  BulletCollision LinearMath    ${GLUT_glut_LIBRARY} ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY}
+)
+
+ADD_EXECUTABLE(AppBox2dDemo
+	main.cpp
+	Box2dDemo.cpp
+	btBox2dBox2dCollisionAlgorithm.h
+	Box2dDemo.h
+	btBox2dShape.cpp
+	btBox2dBox2dCollisionAlgorithm.cpp	
+	btBox2dShape.h
+)
+
+

Demos/Box2dDemo/Jamfile

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+SubDir TOP Demos Box2dDemo ;
+
+BulletDemo Box2dDemo : [ Wildcard *.h *.cpp  ] ;