[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:

  be609bb... shell updates: Remove a forgotten debug statement
  e854fc7... shell updates: Remove NULL checks around g_list_free
  ddb1e6c... shell updates: Instantiate a new update dialog each time
  cb41b35... shell: Remove unneeded g_clear_object calls
  b1e2f5a... update dialog: Remove a local variable
  aad742b... update dialog: Use a GtkStack instead of manually hiding wi
  d99b09a... update dialog: Draw a separator between listbox items
  58bd1e3... update dialog: Implement better back button state tracking
  3f09f3c... update dialog: Rename a function
  3affc2e... update dialog: Move the installed updates display here
  9113f6e... app widget: Don't reserve space for buttons in the update v
  6c9b67d... app widget: Avoid a hardcoded width request
  e8c7f97... app widget: Adjust spacing
  ecb7f1d... shell updates: Rip out the "updated" mode
  6aeb09e... Rename GsAppWidget to GsAppRow
  a1a0151... Break out common code for a list of updates in a separate c