Hifis conferences and meetings in roadmap
Added roadmap points for HIFIS conferences/meetings 2019+2020 and SAB meeting.
@frust45 All dates need to be yyyy-mm-01
to avoid (disturbing) interrupting lines for entries of the same month. Done here. Thus, the order between different entries of same month cannot be controlled anymore. Is there anything to solve this?
Edited by Uwe Jandt (DESY, HIFIS)