Install to /usr/bin

Make install to /usr/bin instead of /usr/local/bin.

Author: rom1v

Makefile

@@ -26,4 +26,5 @@ clean:
 	rm -f $(OBJ) $(OUT)
 
 install: release
-	install $(OUT) $(DESTDIR)/usr/local/bin
+	mkdir -p $(DESTDIR)/usr/bin
+	install $(OUT) $(DESTDIR)/usr/bin