Revisit the SSO account storage plugin now we have some concrete examples
Revisit the SSO account storage plugin now we have some concrete examples

The following points are addressed:

* The hardwired SSO service selection is gone
* We now very carefully pick an IM service where necessary
* We un-set the service where necessary to get global settings
* We are careful to leave the selected service in the same state
  on function exit as it was on entry.

freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control,freedesktop-unofficial-mirror/telepathy__telepathy-mission-control