[polari] Add a little air around message blocks

[William Jon McCann <mccann src gnome org>]

commit 4905bd6883fdd30368df36bbd739a33a58d74ff2
Author: William Jon McCann <william jon mccann gmail com>
Date:   Thu Oct 17 15:31:31 2013 -0400

    Add a little air around message blocks
    
    This makes it easier to see messages from the same person.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=710416

 src/chatView.js |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/src/chatView.js b/src/chatView.js
index 87ee7d1..78866b9 100644
--- a/src/chatView.js
+++ b/src/chatView.js
@@ -94,6 +94,7 @@ const ChatView = new Lang.Class({
         let tagTable = buffer.get_tag_table();
         let tags = [
           { name: 'nick',
+            pixels_above_lines: 10,
             left_margin: 0 },
           { name: 'message',
             indent: 0 },
@@ -104,6 +105,7 @@ const ChatView = new Lang.Class({
             justification: Gtk.Justification.RIGHT,
             indent: 0 },
           { name: 'action',
+            pixels_above_lines: 10,
             left_margin: 0 },
           { name: 'url',
             underline: Pango.Underline.SINGLE