It doesn't add any security to have this encrypted, but it adds
complexity for podmins, because they need to backup the key.

closes #8014

closes #8008

Using token doesn't make much sense when you can generate new tokens
right below.

closes #8006

They don't make sense on that page, because at this stage, the user
already has an account and also has already entered their password.

closes #8005

closes #8004

fixes #8001

closes #8003

closes #8000

fixes #7997

closes #7998

Closes #7972

closes #7976

closes #7959

fixes #7942

closes #7943

closes #7926

fixes #7808

closes #7913

fixes #7840

closes #7884

closes #7890

closes #7882
fixes #7841

closes #7924

closes #7905

fixes #7838

closes #7909

closes #7868

Facebook removed the API and facebook integration is broken now, so lets
remove it.

closes #7874

Fixes #7852

closes #7853

Fixes #7854

closes #7839

closes #7833

Previous file history in 80dfdcd6, couldn't keep it.

LinksController redirects requests for provided diaspora:// links to
respective entities urls.

This is required to make url_for(StatusMessage.new) work

fixes #7770

closes #7774