[balsa] (4 commits) Non-fast-forward update to branch 48-bad-capability

[Peter Bloomfield <peterb src gnome org>]

The branch '48-bad-capability' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  cf1d626... imap-auth: Abandon authentication on NULL sio
  d59c0ca... imap-commands: Check return value
  25d2cac... imap-handle: Check for IMR_BAD status

Commits added to the branch:

  8c32f9f... autocrypt: fix crash when importing a half-broken key fails (*)
  d7878ea... imap-auth: Abandon authentication on NULL sio
  9481fc2... imap-commands: Check return value
  2517bf2... imap-handle: Check for IMR_BAD status

(*) This commit already existed in another branch; no separate mail sent