Mihir | #1388 | Fixing the defect
Mihir | #1392 | Adding immediately as an order frequency
indraneel | #1195 | fixing null pointer exceptions
Mujir,Sanjana | #Retrospective encounter save service refactored.
Mujir,Sanjana | Reversed the dependency of emr-api and core.Made encounter save internally call retrospective encounter service  for past visit details.
Mujir.Sanjana |Added diagnosis set of sets migration to bahmni core.
Sanjana,Mujir | Adding bahmini core back to openelis atom feed client.