[12gevmoller_sim] [EXTERNAL] [JeffersonLab/remoll] 561438: Adding lead donut between shower max and pion

[rahmans1]

  Branch: refs/heads/test-hevac-lintelsandcollars
  Home:   https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_JeffersonLab_remoll&d=DwICaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-0uahHXTLsQsllHBZNHgOynLaY6DUxqehsUJ91-BlNY&m=FoHIjHqICw47jk2jkxCerXkxU_LHKIEYAHSGTRO-I8k&s=NSgH4zk0EAFZS67qfUkQvM75reI9dHxJq865wy3VAqk&e= 
  Commit: 5614387506371a373880e0ef0dacfccb31c042bd
      https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_JeffersonLab_remoll_commit_5614387506371a373880e0ef0dacfccb31c042bd&d=DwICaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=-0uahHXTLsQsllHBZNHgOynLaY6DUxqehsUJ91-BlNY&m=FoHIjHqICw47jk2jkxCerXkxU_LHKIEYAHSGTRO-I8k&s=bkOnPsODwlL0FOx8vT9VCZRgOOKe78IpjdKUgAVCi4U&e= 
  Author: Sakib <srahman at sapsimserv.physics.umanitoba.ca>
  Date:   2020-01-13 (Mon, 13 Jan 2020)

  Changed paths:
    M geometry/mollerMother_merged.gdml
    M geometry/pion/pionDetectorSystem.gdml

  Log Message:
  -----------
  Adding lead donut between shower max and pion