Changed "Curator" to "Affiliation" in the subnetwork settings, on the front-end and back-end. Added renders to the subnetwork help text on EditNetworkAnnouncementsPage and EditBannerFooterPage - the latter of which isn't wired properly, and will need to be fixed.  [ref 3023]
Merge branch 'develop' of github.com:IQSS/dvn.git into develop