[foundation-web] Add a note that the list of Foundation members allowed to vote is dated 21-05-2015

[Andrea Veri <av src gnome org>]

commit 0dbf57e73bf67dcc2091a0309db5b33796406998
Author: Andrea Veri <av gnome org>
Date:   Thu May 21 19:02:07 2015 +0200

    Add a note that the list of Foundation members allowed to vote is dated 21-05-2015

 foundation.gnome.org/vote/2015/electorate.txt |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/foundation.gnome.org/vote/2015/electorate.txt b/foundation.gnome.org/vote/2015/electorate.txt
index 4b7c3f9..8ba9978 100644
--- a/foundation.gnome.org/vote/2015/electorate.txt
+++ b/foundation.gnome.org/vote/2015/electorate.txt
@@ -1,3 +1,5 @@
+List of Foundation members as of 21-05-2015
+
 Philip Langdale
 Arun Raghavan
 Philippe Normand