Updated cmake files, added header files, Thanks John McCutchan

re-autogenerated msvc projectfiles with new HelloWorld/BulletMultiThreaded Demo 
Minor fixes

msvc/appMultiThreadedDemo.rc

@@ -0,0 +1,30 @@
+// This file is generated automatically.
+
+1 VERSIONINFO
+FILEVERSION 2, 64, 0, 0
+PRODUCTVERSION 2, 64, 0, 0
+#ifdef CS_DEBUG
+FILEFLAGS 0x1
+#else
+FILEFLAGS 0x0
+#endif
+{
+  BLOCK "StringFileInfo"
+  {
+    BLOCK "040904E4"
+    {
+      VALUE "ProductName", "Bullet Continuous Collision Detection and Physics Library"
+      VALUE "ProductVersion", "2.64"
+      VALUE "FileVersion", "2.64"
+      VALUE "LegalCopyright", "Copyright (c) 2005-2007  Erwin Coumans"
+      VALUE "FileDescription", "MultiThreadedDemo"
+#ifdef CS_DEBUG
+      VALUE "Comments", "Debug build"
+#else
+      VALUE "Comments", "Release build"
+#endif
+      VALUE "WWW", "http://www.bulletphysics.com"
+    }
+  }
+}
+1 ICON "../../msvc/bullet_ico.ico"