[polari] (11 commits) Non-fast-forward update to branch wip/kunaljain/bug-fixes

[Kunal Jain <kunaljain src gnome org>]

The branch 'wip/kunaljain/bug-fixes' 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:

  78ca6c5... chatView: Listen to crossover events
  57f9e04... chatView: Change color of status header on hover

Commits added to the branch:

  8b4f719... chatView: Listen to crossover events (*)
  3064de4... chatView: Change color of status header on hover (*)
  93aed8b... style: Catch up with GTK+ changes (*)
  f8969eb... appdata: Update screenshots (*)
  76f85cd... Bump version to 3.19.3 (*)
  1b0e0ab... ui: Include shortcuts window shortcuts in shortcuts window (*)
  865489a... lib: Fix FixedSizeFrame (*)
  1bfd31f... lib: Implement FixedSizeFrame in JS (*)
  a00b43d... ui: Don't set .titlebar class on headerbars (*)
  ae10177... ui: Don't mess with headerbar radii (*)
  64ecfaa... Updated Czech translation (*)

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