CommitView: Show linebreaks with new files

Just before releasing 0.6, I cleaned up some old code.
In c6895105e2 (Remove old code in Commit/Diff views),
I removed some pre and code tags, causing new files
in the commit view to be displayed without line breaks

html/views/commit/commit.js

@@ -9,7 +9,7 @@ var showNewFile = function(file)
 		return;
 	}
 
-	diff.innerHTML = contents.escapeHTML();
+	diff.innerHTML = "<pre>" + contents.escapeHTML() + "</pre>";
 	diff.style.display = '';
 }