If the job does not exist, do not try further.
FIX: Group should be taken from the chain and not the cert
more general case
RegisterFile is on catalogs, not SEs
Merge pull request #1795 from acasajus/fix-defaultgroup

FIX: Group should be taken from the chain and not the cert
Merge pull request #1794 from fstagni/fixRMS

[v6r10] If the job does not exist, do not try further.
Use getIssuerDN in getDIRACGroup()
v6r10p6 notes
Conflicts resolved with rel-v6r11
v6r10p6