[gtk] (20 commits) Non-fast-forward update to branch wip/otte/listview

[Benjamin Otte <otte src gnome org>]

The branch 'wip/otte/listview' 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:

  5885be6... build: Set version to 4.7
  fd51dae... Add 4.8 version macros
  49e416a... listitemmanager: Change the way listitems are handled
  ed85d4d... listbase: Compare with the right adjustment
  c6956b6... listbase: Store the proper side
  7a2aba7... listitemmanager: Unify tracker updates
  6fdc149... listitemmanager: Allow properties assigned to trackers
  8909f82... listview: Add ::focus-position and ::focus-item
  cc5a5bf... demo: Use the new GtkListiew::focus-item property
  84bf837... gridview: Dump some files
  66cdc99... DEBUG: Add debug prints to list item manager
  1878099... Add GtkSectionModel
  869ac90... Implement GtkSectionModel for all selection models
  0f1a471... sortlistmodel: Implement GtkSectionModel
  ebbb845... testsuite: Add section tests to sortlistmodel test
  5b2661a... sortlistmodel: add a fast path for get_section()
  e842779... listview: Implement ::section-factory property
  57af282... demo: Add a listview sections demo

Commits added to the branch:

  e1fb3fe... glrenderer: Don't return NULL form render_texture()
  32015da... build: Set version to 4.7
  075d4f2... Add 4.8 version macros
  2fad1db... listitemmanager: Change the way listitems are handled
  1f8836b... listbase: Compare with the right adjustment
  371c270... listbase: Store the proper side
  78653ae... listitemmanager: Unify tracker updates
  50b0554... listitemmanager: Allow properties assigned to trackers
  6240791... listview: Add ::focus-position and ::focus-item
  50cfa8e... demo: Use the new GtkListiew::focus-item property
  6d40555... gridview: Dump some files
  e3ae08c... DEBUG: Add debug prints to list item manager
  980c24e... Add GtkSectionModel
  706e5f4... Implement GtkSectionModel for all selection models
  3894288... sortlistmodel: Implement GtkSectionModel
  81e4abc... testsuite: Add section tests to sortlistmodel test
  3da0993... sortlistmodel: add a fast path for get_section()
  55c188d... listview: Implement ::section-factory property
  9347100... gridview: Add support for sections
  0582f99... demo: Add a listview sections demo