[geary] (4 commits) Non-fast-forward update to branch wip/20-cert-pinning

[Michael Gratton <mjog src gnome org>]

The branch 'wip/20-cert-pinning' 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:

  8179035... Handle untrusted certs when adding a editing account server
  6544ffb... Don't prompt for untrusted host as validation when account 
  f32b4e2... Simplify CertificateManager's db pinned cert management
  8e15263... Implement loading and saving certs in CertificateManager

Commits added to the branch:

  1a2bb28... Handle untrusted certs when adding a editing account server
  97971ce... Don't prompt for untrusted host as validation when account 
  cda0e7f... Simplify CertificateManager's db pinned cert management
  9ade041... Implement loading and saving certs in CertificateManager