[gtk+] (15 commits) Non-fast-forward update to branch wip/baedert/gtkimageview

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/gtkimageview' 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:

  3608ac7... Document properties
  c5f0297... First batch of documentation
  2f82de7... Moar docs
  ae28124... Even moar docs
  e8854a6... Docs
  c877820... docs: Add a general description
  88d406c... Add getter for scale-set
  92ee641... demo: Add transitions-enabled switch
  2e7683d... Reset in_scale/angle_transition early
  584a86a... Fix typo
  cbb41b9... Remove target parameter from animate_to_xxx functions
  d37c81e... Whitespace
  2cf5f3b... expander: Add deprecation flags to _get/set_spacing
  c117cb0... add transitions-enabled getter/setter to header file
  de56362... Docs
  01722c5... Docs
  5b81d39... stylecontext: Fix nonexisting function name in docs
  8677b9d... fix angle transition
  72165d7... sidebarrow: Use a GtkBox
  2e6c67f... Care about already running transitions
  070a2a1... Revisit scale factor handling

Commits added to the branch:

  337baa9... Docs
  2d797c6... Add getter for scale-set
  2cb3b70... demo: Add transitions-enabled switch
  ad6300f... Reset in_scale/angle_transition early
  d4a3d68... Fix typo
  71a2a85... Remove target parameter from animate_to_xxx functions
  17f0922... Whitespace
  95a7ede... expander: Add deprecation flags to _get/set_spacing
  ef9c854... add transitions-enabled getter/setter to header file
  87421d5... Docs
  f0395ef... stylecontext: Fix nonexisting function name in docs
  29d31ea... fix angle transition
  4ecbf08... Care about already running transitions
  a6ea71e... Revisit scale factor handling
  3934569... Remove some code duplication