[master] Add new TS plugin

BEGINRELEASENOTES

*TS

NEW: new plugin LHCbWGBroadcastRandom that is exactly the same as LHCbMCDSTBroadcastRandom but will have different default settings in the CS. To be used for broadcasting real data datasets without run number attached to a file.

*BK

NEW: allow dirac-bookkeeping-job-info to accept a jobID as argument (was only one of the output files)

ENDRELEASENOTES