Added 10 seconds before App start and after App end
Added 10 seconds before App start and after App end

Makes the graphs a little easier to understand, specifically the data rate charts.

PhilipsIII/ndn-mobility,PhilipsIII/ndn-mobility,PhilipsIII/ndn-mobility,shinrs20/ndn-mobility,PhilipsIII/ndn-mobility,PhilipsIII/ndn-mobility,shinrs20/ndn-mobility,shinrs20/ndn-mobility,shinrs20/ndn-mobility,shinrs20/ndn-mobility