[gnome-bluetooth] (9 commits) Non-fast-forward update to branch wip/hadess/cleanups

[Bastien Nocera <hadess src gnome org>]

The branch 'wip/hadess/cleanups' 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:

  4dc85de... XXX lib: Remove use of deprecated GtkMisc and GtkAlignment
  475381c... lib: Simplify device search helpers
  f1f7355... build: Bump required glib version

Commits added to the branch:

  1e6dbdc... lib: Remove use of deprecated GtkMisc and GtkAlignment
  e2771de... lib: Simplify device search helpers
  677d9e9... build: Bump required glib version
  0873958... lib: Remove unused gnome-bluetooth.symbols file
  02ec6e0... lib: Remove non-existent bluetooth_agent_setup() function
  4378bdb... lib: Namespace BluetoothAgent errors correctly
  b434823... lib: Export BluetoothAgent to our private introspection
  edd3cfa... lib: Add guards to bluetooth_agent_register()
  a62b71e... lib: Add BluetoothAgent test