public static MenuDrawer attach(Activity activity, Position position) {
        return attach(activity, Type.BEHIND, position);
    }
Attaches the MenuDrawer to the Activity.

@param activity The activity the menu drawer will be attached to.
@param position Where to position the menu.
@return The created MenuDrawer instance.
menudrawer/src/net/simonvt/menudrawer/MenuDrawer.java