[glib] (10 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:

  c3afdd3... param: Add a value_is_valid vfunc
  d40ecf9... Speed up setting properties
  7ae8d26... Don't inline deprecation warnings
  4d85971... Keep a count of construct params
  bc1e257... Move deprecation warnings to object_set_property
  62fc368... Don't copy values when collecting in g_object_new
  c4fb420... Keep a separate flag for notify handlers
  4276f9f... Avoid property notification during object construction
  d1ed285... Don't copy values during g_object_set
  a92a804... Avoid property notification during g_object_set

Commits added to the branch:

  988fa12... param: Add a value_is_valid vfunc
  ef15239... Speed up setting properties
  236f625... Don't inline deprecation warnings
  0ccfb6a... Keep a count of construct params
  f3977f0... Move deprecation warnings to object_set_property
  4d1d3e8... Don't copy values when collecting in g_object_new
  f682bab... Keep a separate flag for notify handlers
  1daf77d... Avoid property notification during object construction
  105f50f... Don't copy values during g_object_set
  1577501... Avoid property notification during g_object_set