add two fastSim mu gun samples, w/ postLS1 geometry

- add two fastSim mu gun samples, w/ postLS1 geometry
- they were present in pre-LS1 geometry; HLT validation needs them in postLS1
- tested with runTheMatrix.py --what standard -l 135.1,135.2,135.3,135.4,135.5,135.6,135.7