Add new event_info fields
Add new event_info fields

New fields are added to event_info that allow passing on extended
information.

This includes things such as measurement units, data type,
location, timescope, etc.

pyrovski/papi,pyrovski/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,pyrovski/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,arm-hpc/papi,pyrovski/papi,pyrovski/papi,arm-hpc/papi,pyrovski/papi