message: Fix Root6/Root5 not back comaptible change  in the ReadFile for empty columns in csv files. Replace empty columns with space.
diff: @@ -250,12 +250,14 @@ Bool_t AliExternalInfo::Cache(TString type, TString period, TString pass){
  }else{
  gSystem->Exec(TString::Format("cat %s | sed -l 1 s/%s/%s/ > %s",mifFilePath.Data(), oldIndexName.Data(), indexName.Data(), (mifFilePath+"RunFix").Data())); // use standrd run number IDS
  }
  +
  + gSystem->GetFromPipe(TString::Format("cat %s | sed s_\\\"\\\"_\\\"\\ \\\"_g | sed s_\\\"\\\"_\\\"\\ \\\"_g > %s", (mifFilePath+"RunFix").Data(), (mifFilePath+"RunFix").Data()).Data());
  // Store it in a tree inside a root file
  TFile tempfile(internalFilename, "RECREATE");
  tempfile.cd();
  TTree tree(treeName, treeName);
  - if ( (tree.ReadFile(mifFilePath+"RunFix", "", '\"')) > 0) {
  + if ( (tree.ReadFile(mifFilePath, "", '\"')) > 0) {
  if (fVerbose>1) AliInfo("Successfully read in tree");
  }
  else {
  