o Add pid response handler needed for managing the AliPIDResponse setup in case

o Add pid response handler needed for managing the AliPIDResponse setup in case
  of the Multi input handler (Martin Vala)
o Decoulple QA histograms from funcionality to setup the AliPIDResponse in
  AliAnalysisTaskPIDResponse
o Modify code to use the new setup functionality in AliPIDResponse to do the
  loading of the response functions from the OADB
o Modify AddTask macro to automatically detect the analysis mode
  (single input handler VS multi input handler) and take the proper action