closes #6266

Yes. I am insane.

closes #6223

closes #6206, closes #6205

One does not simply 'enter an email' (should I enter a random email from my Inbox?), instead one enters ones own email address.

closes #6191

remove old webfinger/hcard generation code

this fixes #5143

closes #6175

closes #6165

Adds welcome message on registration Welcome message is only send out if podmin account is defined and welcome message is enabled in the config.

This also enables the podmin account to send messages
to any local user.

closes #6128

closes #6117

regression from #6005

closes #6105

by default both are disabled now, you can enable them in the
diaspora.yml if you need them.

closes #6090

Facebook deprecated their v1.0 API and thus the old ones no longer work (for new authorizations).

closes #6019 [ci skip]

Remove unnecessary initializer and comments in Gemfile and add explicit rubyzip gem version in Gemfile with description

closes #6001

closes #5994

closes #5989

closes #5988

Since the Facebook API has changed and additional permissions are required for all users on a pod to cross-post, an additional 'authorized' flag is needed to be set for the Facebook service.
This flag allows either all users, one user or no users to use the cross-posting service.

Clarifies the situation for #5923, #5260 and #5085.

closes #5985

closes #5975

closes #5967