miniaod integration to runTheMatrix for 70X

- Add miniaod production step into the standard step of runTheMatrix (after harvesting).
   + miniaod production for PU RelVals (13TeV: 25ns, 50ns)
   + miniaod production for Real DATA RelVals (runD)
- Still keep miniaod production step from RECO (In case, we need to produce only miniaod)