[libhandy] (8 commits) Non-fast-forward update to branch wip/exalm/fixes2

[Adrien Plazas <aplazas src gnome org>]

The branch 'wip/exalm/fixes2' 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:

  9efa3a9... view-switcher-title: Null-check view switcher in dispose()

Commits added to the branch:

  43fd89c... header-bar: Add .titlebar style class by default (*)
  31fc550... Update repo links (*)
  895ecec... header-bar: Account for box-shadow when clipping (*)
  b894cf2... avatar: Account for box-shadow when clipping (*)
  06a1f76... title-bar: Account for box-shadow when clipping (*)
  aba99d0... title-bar: Respect CSS min-width and min-height (*)
  cd296fa... header-bar: Respect CSS min-width and min-height (*)
  15eee53... view-switcher-title: Null-check view switcher in dispose()

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