localhop scope rules are implemented as wouldViolateScope function;
the old violatesScope function is now deprecated.
Strategy::sendInterest overload without specific Interest packet is also
deprecated. BestRouteStrategy2 has switched to use the new overload.
refs #3841, #1756
Change-Id: Ic117f01926eadddf1da3ccb580b52a3903a70c89
Junxiao Shi