[gnome-software] (16 commits) Created branch wip/installed_updates

[Kalev Lember <klember src gnome org>]

The branch 'wip/installed_updates' was created.

Summary of new commits:

  77fdc3d... shell updates: Remove a forgotten debug statement
  e79e42d... shell updates: Remove NULL checks around g_list_free
  ac0ed73... shell updates: Instantiate a new update dialog each time
  1ea7b1c... shell: Remove unneeded g_clear_object calls
  8efc4ca... update dialog: Remove a local variable
  e3b72f6... update dialog: Use a GtkStack instead of manually hiding wi
  2e9a903... update dialog: Draw a separator between listbox items
  ec60f20... update dialog: Implement better back button state tracking
  945a018... update dialog: Rename a function
  3677455... update dialog: Move the installed updates display here
  75c8b0f... app widget: Don't reserve space for buttons in the update v
  48d77e9... app widget: Avoid a hardcoded width request
  4710d92... app widget: Adjust spacing
  3b90b01... shell updates: Rip out the "updated" mode
  1c6c844... Rename GsAppWidget to GsAppRow
  c912e93... Break out common code for a list of updates in a separate c