[pitivi] ruler: Add top margin

[Thibault Saunier <tsaunier src gnome org>]

commit bf2c852eb37f0e345934f7f5127b6b927d6bfae5
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Wed Nov 19 17:39:35 2014 +0100

    ruler: Add top margin
    
    Fixes https://bugzilla.gnome.org/show_bug.cgi?id=738481

 pitivi/timeline/timeline.py |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/pitivi/timeline/timeline.py b/pitivi/timeline/timeline.py
index 7bdbaff..e0d7012 100644
--- a/pitivi/timeline/timeline.py
+++ b/pitivi/timeline/timeline.py
@@ -936,6 +936,7 @@ class TimelineContainer(Gtk.Grid, Zoomable, Loggable):
                       # Some more.
                       EXPANDED_SIZE)
         self.set_size_request(-1, min_height)
+        self.set_margin_top(SPACING)
 
     def enableKeyboardAndMouseEvents(self):
         self.info("Unblocking timeline mouse and keyboard signals")