[libhandy] (12 commits) Non-fast-forward update to branch wip/exalm/leaflet-transltions

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/leaflet-transltions' 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:

  5de4550... swipe-tracker: Add checks to hdy_swipe_tracker_shift_positi
  aec62e9... carousel: Null-check tracker before shifting position
  04eab0e... stackable-box: Rewrite transitions
  e42bc90... stackable-box: Reduce amount of set_child_visible() calls
  0f315c1... stackable-box: Stop setting visibility in set_position()
  17836c3... stackable-box: Fix code style
  e878268... stackable-box: Add child-visible-changed signal
  641cad5... leaflet: Add child-visible-changed signal
  74363e7... deck: Add child-visible-changed signal

Commits added to the branch:

  20ec6a5... stackable-box: Reset cancel status after ending a transitio (*)
  3976c99... stackable-box: Don't skip the gesture with 0 transition dur (*)
  28033d2... stackable-box: Stop transition when starting a swipe (*)
  71014c7... swipe-tracker: Add checks to hdy_swipe_tracker_shift_positi
  c501000... carousel: Null-check tracker before shifting position
  d7427c2... stackable-box: Rewrite transitions
  e9e2695... stackable-box: Reduce amount of set_child_visible() calls
  e23668f... stackable-box: Stop setting visibility in set_position()
  be64ee2... stackable-box: Fix code style
  f11ad11... stackable-box: Add child-visible-changed signal
  e41ce4e... leaflet: Add child-visible-changed signal
  9d19082... deck: Add child-visible-changed signal

(*) This commit already existed in another branch; no separate mail sent