[gtk] (9 commits) Non-fast-forward update to branch matthiasc/for-master

[Matthias Clasen <matthiasc src gnome org>]

The branch 'matthiasc/for-master' 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:

  8845cd2... gsk: Avoid long lines in serialized nodes
  459bd94... node-editor: Don't insert hyphens

Commits added to the branch:

  cef1cd1... gsk: Avoid long lines in serialized nodes
  5640208... node-editor: Don't insert hyphens
  ff7bcf7... colorbutton: Properly override interface properties
  9fdb71c... icontheme: Add a missing getter
  38bd443... directorylist: Drop the item-type property
  1b1bf6c... text: Add some missing setters and getters
  9d0d4ce... Cosmetics
  60b1b46... spinbutton: Add some missing accessors
  0f5b9d8... testsuite: Add a test that checks for property accessors