Merge pull request #517 from erwincoumans/master

b3CreateBoxCommandSetColorRGBA: allow to specify color when creating …

src/LinearMath/btHashMap.h

@@ -399,6 +399,10 @@ protected:
 		return find(key);
 	}
 
+	const Value* operator[](const Key& key) const {
+		return find(key);
+	}
+
 	const Value*	find(const Key& key) const
 	{
 		int index = findIndex(key);