[gtk] (4 commits) Non-fast-forward update to branch glyphy2

[Matthias Clasen <matthiasc src gnome org>]

The branch 'glyphy2' 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:

  661ae01... glyphy: ifdef out debug in the shader
  2b7e788... glyphy: Implement synthetic bold
  312d7b2... Update to boldness api changes in glyphy
  f2381de... glyphy: Implement synthetic italic
  2fafab1... wip: Add a quad to the glyphy atlas
  72e498e... wip: Use glyphy for line drawing

Commits added to the branch:

  d96e684... glyphy: remove glyphy debug code
  bc98299... glyphy: Implement synthetic bold
  cd32513... Update to boldness api changes in glyphy
  8a19306... glyphy: Implement synthetic italic