[glib] (23 commits) Non-fast-forward update to branch gobject-speedups2

[Matthias Clasen <matthiasc src gnome org>]

The branch 'gobject-speedups2' 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:

  9725b5a... param: Add a value_is_valid vfunc
  4af7b05... param: Add g_param_value_is_valid
  d113b31... Add tests for g_param_value_is_valid
  f3cc9a1... gobject: Use value_is_valid
  05dfdf1... Improve GObject perf test
  c73de95... gobject: Drop an unused quark
  d9a7352... Simplify g_object_new_with_properties
  bdcfa8e... Don't inline deprecation warnings
  19b7247... Keep a count of construct params
  97ce5eb... Move deprecation warnings to object_set_property
  3d0e616... Don't copy values when collecting in g_object_new
  11105f4... Don't copy values during g_object_set
  f48918a... Keep a separate flag for notify handlers
  a137329... Avoid property notification during object construction
  c6060ff... Avoid property notification during g_object_set
  cd406c3... Avoid g_object_ref/unref in some cases
  625af6b... Avoid g_value_type_compatible
  d7acef2... Avoid g_param_spec_get_redirect_target
  21fd632... Avoid g_type_class_peek
  1fa4b3e... value: Add G_VALUE_COLLECT_INIT2
  302403e... Avoid g_type_peek_value_table

Commits added to the branch:

  0605602... Update Catalan translation (*)
  b4560e8... param: Add a value_is_valid vfunc (*)
  935e981... param: Add g_param_value_is_valid (*)
  fe81083... Add tests for g_param_value_is_valid (*)
  791febc... gobject: Use value_is_valid (*)
  2ea081c... Improve GObject perf test (*)
  c06b306... gobject: Drop an unused quark (*)
  218051a... Simplify g_object_new_with_properties (*)
  d863a4a... Simplify g_object_notify_by_pspec (*)
  84edc9b... Don't inline deprecation warnings (*)
  ea69f15... Keep a count of construct params (*)
  15c61c1... Move deprecation warnings to object_set_property (*)
  817781a... Don't copy values when collecting in g_object_new (*)
  bc9e84a... Don't copy values during g_object_set (*)
  e65a89a... Keep a separate flag for notify handlers (*)
  0633740... Avoid property notification during object construction (*)
  d0c3504... Avoid property notification during g_object_set (*)
  3673aa2... Avoid g_object_ref/unref in some cases (*)
  e0da0aa... Avoid g_value_type_compatible (*)
  3ce5ae3... Avoid g_param_spec_get_redirect_target (*)
  752400d... Avoid g_type_class_peek (*)
  fc30eac... value: Add G_VALUE_COLLECT_INIT2
  12467b3... Avoid g_type_peek_value_table

(*) This commit already existed in another branch; no separate mail sent