rhauser submitted hltsv with tag master

Reiner Hauserrequested to merge
rhauser/tdaq-09-04-00/hltsv into tdaq-09-04-00

=== hltsv ===

Change ECR to uint8_t (Reiner Hauser) Whitespace/TAB and other formatting changes (Reiner Hauser) New MasterTrigger interface (Reiner Hauser)

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