Bug

• [DMC-1131] - Transfers gridftp->ftp fail as GLOBUS_FTP_CONTROL_MODE_EXTENDED_BLOCK is not supported on FTP

Task

• [DMC-1123] - add ENABLE_FALLBACK_COPY variable to http plugin
• [DMC-1125] - Add X509 delegation to Xrootd TPC job properties
• [DMC-1129] - Add a query parameter to HTTP urls for the configuration of the copy mode