[gtk] (14 commits) Non-fast-forward update to branch prop-list

[Matthias Clasen <matthiasc src gnome org>]

The branch 'prop-list' 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:

  64a9bb4... Add GtkNumericSorter
  bf0f792... sorter: Add tests
  920fde9... Redo sort list model with GtkSorter
  255a9e9... column view: Add some helpers
  eabb828... Add GtkColumnViewSorter
  faadf1e... column view: Add a sorter property
  a79ea50... column view column: Add a sorter property
  e31e418... column view title: Show sort indicators
  740fd1d... column view: Add a sort-by api
  f599bef... inspector: Use a column view for properties
  583a86c... inspector: Use a column view for the resource list
  b71ed28... inspector: Make the resource list sortable
  b297f37... inspector: Use a column view for actions
  271426d... inspector: Touch up list styling

Commits added to the branch:

  484f36f... Add GtkNumericSorter
  b7d7cb3... sorter: Add tests
  218bc08... Redo sort list model with GtkSorter
  da1f973... column view: Add some helpers
  db71865... Add GtkColumnViewSorter
  dac5310... column view: Add a sorter property
  5876fd0... column view column: Add a sorter property
  bb03f2e... column view title: Show sort indicators
  39d2ca5... column view: Add a sort-by api
  dceae42... inspector: Use a column view for properties
  6d06cd5... inspector: Use a column view for the resource list
  0bf10b5... inspector: Make the resource list sortable
  1fef28c... inspector: Use a column view for actions
  5273d38... inspector: Touch up list styling