[glib] (8 commits) Non-fast-forward update to branch gobject-speedups

[Matthias Clasen <matthiasc src gnome org>]

The branch 'gobject-speedups' 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:

  1d4b8c4... Keep a count of construct params
  82763bd... Don't copy values when collecting in g_object_new
  b9e4a14... Don't copy values during g_object_set
  9e433be... Keep a separate flag for notify handlers
  edf4860... Avoid property notification during object construction
  6cc0379... Avoid property notification during g_object_set
  f2a99e1... Avoid g_object_ref/unref in some cases
  f43c726... Avoid g_param_spec_get_redirect_target
  7bbb826... Avoid g_type_class_peek

Commits added to the branch:

  f540428... Don't copy values when collecting in g_object_new
  2771ef5... Don't copy values during g_object_set
  c34e11c... Keep a separate flag for notify handlers
  60d3b69... Avoid property notification during object construction
  0aa4f1a... Avoid property notification during g_object_set
  f586620... Avoid g_object_ref/unref in some cases
  1c816c5... Avoid g_param_spec_get_redirect_target
  1d682ca... Avoid g_type_class_peek