[polari] (19 commits) Non-fast-forward update to branch wip/bastianilso/error-handling

[Bastian Ilsø Hougaard <bastianilso src gnome org>]

The branch 'wip/bastianilso/error-handling' 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:

  a4dbb33... Indicate server and room status in the roomList instead
  c47366a... Handle errors from ensuring channels.
  119cb3e... ConnectionDetails: higlight entry and display error informa
  5605802... test case to provoke error on #nautilus
  c69c373... border-width 2px dirty fix in connectionDetails dialog.

Commits added to the branch:

  4d52276... chatView: Avoid drawing indicator line unnecessarily (*)
  df68811... chatView: Fix separator offset (*)
  15f6abc... Updated Hebrew translation (*)
  5bc1fd9... Updated Portuguese translation (*)
  8de8075... Updated Czech translation (*)
  5e880a6... mainWindow: Don't mark app as busy while connecting (*)
  fc48b46... chatView: Add missing return values to ::draw vfunc (*)
  96e41c0... chatView: Always dispose cairo context (*)
  0df771d... chatView: Make sure active and inactive nicks use distinct  (*)
  13c3a97... mainWindow: Fix min-width of user-list button (*)
  6425e8d... userList: Fix focusing the search entry after room changes (*)
  ff0229e... chatView: Update new-message indicator (*)
  594a9ed... build: Remove gnome-common dependency (*)
  bf12522... Bump version to 3.17.4 (*)
  d9a4c38... app: Don't treat network unavailability as app error
  516ccd6... app: Always save channels requested by the user
  ecd2634... Indicate server status in the roomList instead
  89809f3... ConnectionDetails: higlight entry and display error
  c975a37... WIP: Show room error

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