[glib] (14 commits) Created branch wip/settings-backend

[Ryan Lortie <ryanl src gnome org>]

The branch 'wip/settings-backend' was created.

Summary of new commits:

  acd4439... GSettingsBackend: simplify event handling
  05479be... GSettings: remove main context logic from backend
  ddc1232... GSettingsBackend: move 'has-unapplied' logic here
  56b569a... GSettings: change API of writable-change-event
  6681e7b... GSettingsBackend: turn 'event' into a proper signal
  fecac16... GSettingsBackend: add vfuncs 'apply' and 'revert'
  c16ab82... GSettingsBackend: add 'delay' vfunc
  fec18bb... drop GDelayedSettingsBackend
  3ea81c6... GSettingsBackend: remove 'write_tree' vfunc
  5500505... GSettingsBackend: drop the concept of 'origin_tag'
  6897234... GSettingsBackend: add list support vfuncs
  b6a06b2... GSettings: add child add/remove APIs
  2630b71... GSettingsSchema: add API for introspecting keys
  7f361b4... GSettings: add g_settings_is_set()