Merge branch 'eleckste/add-decfiles-sexaquark-analysis' into 'master'

Add decfiles for sexaquark analysis

See merge request !1470 (merged)

(cherry picked from commit f278330d)

c15c19ec Add BG modes for Sexaquark Analysis 33596535 Add CPU time f5db83cd Add Sexaquark Signal mode dec files af9ceda5 fix eventtype userflag 251d4b77 Fix Jpsi decay and syntax error 994c810a Bug fix 3fe71401 change from KL to H_30 as S stand in, update event types 712c6f7f fix eventtypes 93757cb5 fix eventtype a766d814 add Xib(5945) life time 8afd9a79 Recognise Sigma_b+ as signal particle when checking general flag. c8787f95 remove unnecessary aliases