[glib] (4 commits) Non-fast-forward update to branch ebassi/final-flag

[Emmanuele Bassi <ebassi src gnome org>]

The branch 'ebassi/final-flag' 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:

  476d598... gtype: Add a "final" flag
  983a4af... Add G_DEFINE_* macros for final types
  d5dc3d8... docs: Add new symbols

Commits added to the branch:

  6c3a0a5... gtype: Add a "final" flag
  6d73b47... Add G_DEFINE_* macros for final types
  61d6c3a... Add unit for the "final" GType flag
  ed72e34... docs: Add new symbols