[OpenGeoscience] EGU Townhall 2018 report

["Peter Löwe"]

Dear all,

I've updated the wiki page for the EGU Townhall 2018 for expenses occurred, lessons learned and opportunities for 2019:

https://wiki.osgeo.org/wiki/EGU_Townhall_2018
https://wiki.osgeo.org/wiki/EGU_Townhall_2018#Lessons_Learned
https://wiki.osgeo.org/wiki/EGU_Townhall_2018#Opportunities_for_2019

Please edit/extend/etc whereever necessary.

A big thanks to everybody who lended a hand or supported the event !

best,
Peter
<peter.loewe at gmx.de>