made 'calculateLocalInertia' const, thanks to cgripeos, see http://www.bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=1514

- applied a large patch to remove warnings
Thanks to Enrico, see http://www.bulletphysics.com/Bullet/phpBB3/viewtopic.php?f=9&t=1568
- removed SSE includes, added #incude <string.h> for memset in Extras/quickstep, thanks Eternl Knight
- disabled 16-byte alignement on btQuadWord class, it causes problems under PS3 Linux. Need to check out why.

src/LinearMath/btQuadWord.h

@@ -19,7 +19,10 @@ subject to the following restrictions:
 #include "btScalar.h"
 #include "btSimdMinMax.h"
 
-ATTRIBUTE_ALIGNED16(class) btQuadWordStorage
+//ATTRIBUTE_ALIGNED16(class) btQuadWordStorage
+//some issues under PS3 Linux with IBM 2.1 SDK, gcc compiler prevent from using aligned quadword. todo: look into this
+
+class btQuadWordStorage
 {
 protected:
 	btScalar	m_x;