Merge branch 'kakang/charmedbaryons2Lcpi' into 'master'

3 charmed baryons decay into Lc pi0

See merge request !1701 (merged)

(cherry picked from commit 9df0303b)

a60e04ae 3 charmed baryons Sigma_c+ Sigma_c*+ Xi_c+ decay into Lc pi0 where Lc decays into pKpi