[1233][cygnus][Dockerfile] Set correct branch and repo parameters
[1233][cygnus][Dockerfile] Set correct branch and repo parameters

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