Allow InProcessExampleBrowser to use a malloc allocated memory block, instead of system shared memory.

Make shared memory client/server a bit more robust, in case the server is terminated early.

examples/SharedMemory/PhysicsServerSharedMemory.h

@@ -14,7 +14,7 @@ protected:
 	
 	
 public:
-	PhysicsServerSharedMemory();
+	PhysicsServerSharedMemory(class SharedMemoryInterface* sharedMem=0);
 	virtual ~PhysicsServerSharedMemory();
 
 	virtual void setSharedMemoryKey(int key);