[geary] (8 commits) Non-fast-forward update to branch wip/oauth2

[Michael Gratton <mjog src gnome org>]

The branch 'wip/oauth2' 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:

  ae302cc... Convert Credentials and CredentialsMediator to refer to tok
  72e237f... Add OAUTH2 to Geary.Credentials.Method.
  7135a5f... Add support for OAuth2 GOA accounts.
  7857fad... Add support for (X)OAuth2 SMTP authentication.
  4b8ef72... Add support for (X)OAuth2 IMAP authentication.
  3118845... Ensure GMail and Outlook GOA accounts are marked as such wh
  ad88f39... Rework GOA account management to allow tracking disabled ac
  f204baf... Ensure disabled accounts show up in the dialog list.

Commits added to the branch:

  b43de91... Convert Credentials and CredentialsMediator to refer to tok
  fdd56e5... Add OAUTH2 to Geary.Credentials.Method.
  c548693... Add support for OAuth2 GOA accounts.
  76473ea... Add support for (X)OAuth2 SMTP authentication.
  dc54fdd... Add support for (X)OAuth2 IMAP authentication.
  fadb0ce... Ensure GMail and Outlook GOA accounts are marked as such wh
  f0b5d08... Rework GOA account management to allow tracking disabled ac
  578f7ca... Ensure disabled accounts show up in the dialog list.