AAI doc: Updates, Preliminary markers
- Mark some sections from HDF context as "in progress" as far as HIFIS is concerned.
- Replaced "communities" by "VO" as in policy draft Aug 2020
- VO registration shall now be done via HIFIS Coordinators according to Coordinator's decision from July 3, 2020 -> replace mailing lists by
office@hifis.net - fixed several typos and formatting glitches
- Added link to policies drafts. Public/ro pdf + restricted sources
Edited by Uwe Jandt (DESY, HIFIS)