FIX: get Pilot Extensions from Operations, like SiteDirector
FIX: dirac-dms-create-replica-removal-request update to new ReqClient
NEW: dirac-dms-create-removal-request
FIX: strip lines when reading LFNs from a File
BUGFIX: pid needs to be a string to be compared with /proc contend
Merge pull request #1686 from graciani/fix_v6r9

[v6r9] FIX: get Pilot Extensions from Operations, like SiteDirector