Merge branch 'razhang/my-changes' into 'master'

Decfile for B0->Kpipipigamm,with tightcut.

See merge request !1487 (merged)

(cherry picked from commit 45434a90)

bcf954b5 add linespace cb5204e5 change descriptor c5542430 change cut 621e596c change eventnum ec929731 new decfile 222c8c13 remove old version 4c05338e change eventnum 741f19a0 change name 30702db7 remove old version fc471590 remove B2Kstrho0gamma d515b034 change documentation 0a28b832 change VSS molde to PHSP fb43bb9c change tight.Decay ed69a62f remove ^