Added filtering script FilterKstmm_Run1_MCTRUTH.py
Added filtering script FilterKstmm_Run1_MCTRUTH.py for Bd->Kstmumu FQ2 MC. The script is identical to FilterKstmm_Run2_MCTRUTH.py with the exception of the output file name.
Added filtering script FilterKstmm_Run1_MCTRUTH.py for Bd->Kstmumu FQ2 MC. The script is identical to FilterKstmm_Run2_MCTRUTH.py with the exception of the output file name.