message: AliLatexTable: autofill columns
  If a smaller number of columns is profided, InsertRow fill the row with
  empty columns automatically.
diff: @@ -289,8 +289,15 @@ void AliLatexTable::InsertRow(){
  // Insert the row, based on all the individual columns
  - if ( fNcolReady != fNcol) {
  + if ( fNcolReady > fNcol) {
  Warning("InsertRow", "Wrong number of cols: %d (!= %d)", fNcolReady, fNcol);
  + return;
  + } else if (fNcolReady < fNcol) {
  + Warning("InsertRow", "Not enough columns provided, filling with empty cols");
  + for(Int_t icol = fNcolReady; icol < fNcol; icol++){
  + SetNextCol("");
  + }
  +
  }
  TString row = "";
  