ADD missing configuration and documentation about OrionMongoSink and OrionSTHSink in the README
ADD missing configuration and documentation about OrionMongoSink and OrionSTHSink in the README

Fiware/context.Cygnus,Fiware/data.Cygnus,telefonicaid/fiware-cygnus,Fiware/context.Cygnus,telefonicaid/fiware-cygnus,telefonicaid/fiware-cygnus,Fiware/context.Cygnus,Fiware/context.Cygnus,telefonicaid/fiware-cygnus,Fiware/data.Cygnus,Fiware/data.Cygnus