[gnome-calendar] (30 commits) Non-fast-forward update to branch wip/appdata

[Igor Gnatenko <ignatenko src gnome org>]

The branch 'wip/appdata' 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:

  8a0910d... add AppStream to show in Software Centres
  b155d70... appdata: added some images
  fbe5a7d... appdata: update image url's

Commits added to the branch:

  b2fe4db... Updated Czech translation (*)
  3577617... Updated Polish translation (*)
  a229715... Updated Hungarian translation (*)
  098d8a7... window: fix search_button/search_bar binding (*)
  8e89946... subscriber: added protected internal structure (*)
  362dc68... subscriber: rework ::remove and ::modified vfuncs (*)
  78d92c3... year-view: add orientation factor (*)
  cdd2707... year-view: add initial ::draw impl (*)
  354581b... year-view: use GcalSubscriber container mojo (*)
  d9801d1... year-view: implement GcalSubscriber extensions points (*)
  c4bd918... year-view: initial GtkWidget::size_allocate impl (*)
  2db94ae... year-view: implement GcalView::get_by_uuid (*)
  c531114... year-view: clean warning and whitespace (*)
  0aba9c5... subscriber: files renaming before class renaming (*)
  0e5c197... subscriber: renamed to GcalSubscriberView (*)
  9994377... subscriber-view: gained ::get_child_by_uuid vfunc (*)
  663f1c6... build: remove not-used code (*)
  fdf12bc... subscriber-view: adopt ::event-activated signal (*)
  a5fe4c5... subscriber-view: use ::setup_child protected func (*)
  6989eb3... subscriber-view: add ::clear_state to reset widget (*)
  37245c6... subscriber-view: fix :event-activated signal type (*)
  22eda85... month-view: use subscriber-view internals (*)
  e0b26dd... style: misc fixes (*)
  b27402e... debug: changed warning statements (*)
  13a2aad... month-view: impl ::clear_state vfunc (*)
  5e78ead... Revert "window: readd binding between search button and sea (*)
  96aa731... window: change refresh times (*)
  ab45e69... add AppStream to show in Software Centres
  79fce16... appdata: added some images
  06a6751... appdata: update image url's

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