Merge branch 'phsjao/particleProperties' into 'master'

update particle properties to PDG 2018

See merge request !16 (merged)

(cherry picked from commit cfa9be3d)

447ee058 Automatic update to PDG 2018 7518cda0 Few more updates not done automatically from PDG file cde88ced Update Xi_b- and Xi_b~+ mass to average of Xi_b- measurements in PDG. 35e11990 Update charm baryons for better predictions/new measurements not yet in 32261412 Change Omega_cc+ mass back to what we had. 0456a564 Give all hadrons EvtGen names