title: Scala Futures: Default error handler for every new created, or mapped exception
body: <p>Is there any possibility to always create a Future{...} block with an default onFailure handler? (e.g. write the stacktrace to the console)? This handler should also be automatically attached to mapped futures (new futures created by calling map on an future already having a default failure handler)</p>
  
  <p>See also my question here for more details: 
  <a href="https://stackoverflow.com/questions/24450738/scala-on-android-with-scala-concurrent-future-do-not-report-exception-on-system">Scala on Android with scala.concurrent.Future do not report exception on system err/out</a></p>
  
  <p>I want to have a "last resort" exception logging code, if someone does not use onFailure or sth similar on a returned future.</p>