replaced stream-based number formatting

embedded a portion of double-conversion library
(http://code.google.com/p/double-conversion/)and replaced stream-based
number formatting

Foundation/testsuite/src/NumberFormatterTest.h

@@ -48,6 +48,7 @@ public:
 
 	void testFormat();
 	void testFormat0();
+	void testFormatBool();
 	void testFormatHex();
 	void testFormatFloat();