This is really just a hack for the broken CSS in the Cloudy theme, I think; copying from other non-notice-navigation pages that do this as well. There will be plenty of others also broken.
Base problem is that our caching-on-insert interferes with relying on column default values; the cached object is missing those fields, so they appear to be empty (null) when the object is retrieved from cache.
Now explicitly setting them when inserting subscriptions, and cleaned up some code that had alternate code paths.
May also have made auto-subscription work for remote OStatus subscribers, but can't test until magic sigs are working again.
- fix <activity:subject> generation so we get the profile info (what's available so far)
- use id instead of nickname for group join/leave forms so we can join/leave remote groups
while the rest of the groups UI remains limited to local groups
(plugins are responsible for making sure remote notifications and permission checks are done)
- fix remote notification when joining group through OStatus's remote subscribe form
- ostatussub via subscribe button now works again (changed to take profile instead of feed, patched up to the new discovery)
- added a quickie hack to allow putting your remote profile URI in place of webfinger acct through the remote-sub button (needs to be patched up to do proper discovery via XRDS or a link or something)
