[happybirthdaygnome-web] Add text on how to organise a birthday party

[Tom Tryfonidis <tomtryf src gnome org>]

commit 016472052f5379a6f5c628baa58b54c5ae8018a8
Author: Tom Tryfonidis <tomtryf gnome org>
Date:   Sat Aug 12 01:40:19 2017 +0300

    Add text on how to organise a birthday party

 index.html |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/index.html b/index.html
index 57e89e5..c644fe6 100644
--- a/index.html
+++ b/index.html
@@ -52,7 +52,7 @@
                             <p class="h3 m-b-2">Join us in celebrating 20 years of software freedom by 
becoming a Friend of GNOME</p><a class="btn btn-action btn-xl btn-blue" href="https://www.gnome.org/friends/"; 
target="_blank">Donate to GNOME</a>
                             <p class="m-t-2">Your donation will help the GNOME Project continue to provide a 
great free and open source desktop for the world.</p>
                             <p>GNOME brings volunteers, professionals, companies, and non-profits together 
from around the world to create a complete free software solution for everyone.</p>
-                            <p>Join us in celebrating the many people, projects, and developments that GNOME 
has seen over the last two decades, and help us plan the decades ahead!</p>
+                            <p class="h3">Celebrate the many people, projects, and developments that GNOME 
has seen over the last two decades by hosting your own local birthday party! Sign up and learn how to get 
funding for your party, or search for local birthday events in your area <a 
href="https://wiki.gnome.org/Engagement/TargetedEvents/20th_birthday"; target="_blank">here</a>.</p>
                         </div>
                     </div>
                 </div>
@@ -210,7 +210,7 @@
                     </div>
                  <div class="grid">
                         <div class="col-xs-12 thumbnail">
-                            <a data-gallery="Happy Birthday GNOME" data-toggle="lightbox" 
href="./images/birthday_photos/GUADEC%202011.jpg"><img src="./images/birthday_photos/GUADEC%202011.jpg" 
alt="Group photo at GUADEC 2011"></a>
+                            <a data-gallery="Happy Birthday GNOME" data-toggle="lightbox" 
href="./images/group_photo_carlushe.jpg"><img src="./images/group_photo_carlushe.jpg" alt="Group photo at 
GUADEC 2016"></a>
                         </div>
                         <div class="col-xs-9 thumbnail">
                             <a data-footer="Cake by Bin Li CC-BY-NC-SA 2.0" data-gallery="Happy Birthday 
GNOME" data-toggle="lightbox" 
href="./images/birthday_photos/Cake%20by%20Bin%20Li%20CC%20BY-NC-SA%202.0.jpg"><img 
src="./images/birthday_photos/Cake%20by%20Bin%20Li%20CC%20BY-NC-SA%202.0.jpg" alt="Birthday cake at GNOME’s 
19th anniversary"></a>