Merge branch 'decianm-BsCharmoniumPiPiX' into 'master'

Decfile for Bs -> Charmonium Pi Pi X

See merge request !949 (merged)

(cherry picked from commit 7fe381d9)

a66bdf99 fix email address ef291fdf new decfiles for Bs -> Charmonium PiPi X decays, backgrounds for B -> rho mu nu a07a54b5 Add Bs -> psi(2S) phi