R-by-R code discussion for Isobar

1. R-by-R QA Code (ready to freeze)
See the attachment (jumpcheck_v5.zip)

Please read the README before running.

2. More reference slides:
CME_focus_meeting_24Jan_2020.pdf
jump_check_for_isobar_blind_analysis_cme_Jan17.pdf

3. Bad runs comparison between Gang's and Yu's scripts(old code).
See the attachment (Ref_Day3_27gev_Gang.jpg).