[guadec-web/oscp-2019] Add sponsors section on homepage

[Tom Tryfonidis <tomtryf src gnome org>]

commit 3e64febc6c5c31dd8c03ff9ec1ac69e66326bf3f
Author: Tom Tryfonidis <tomtryf gmail com>
Date:   Tue Mar 19 21:29:19 2019 +0200

    Add sponsors section on homepage

 content/images/sponsors/placeholder.png | Bin 0 -> 168 bytes
 pelicanconf.py                          |   5 +++++
 src/haml/index.haml                     |  30 +++++++++++++++++++++---------
 3 files changed, 26 insertions(+), 9 deletions(-)
---
diff --git a/content/images/sponsors/placeholder.png b/content/images/sponsors/placeholder.png
new file mode 100644
index 0000000..e6f9e7e
Binary files /dev/null and b/content/images/sponsors/placeholder.png differ
diff --git a/pelicanconf.py b/pelicanconf.py
index 7fbf6a8..ec15589 100644
--- a/pelicanconf.py
+++ b/pelicanconf.py
@@ -131,6 +131,11 @@ SPONSORS = (
     # ('Google', 'https://opensource.google.com/', 'google.png'),
     # ('Mozilla Foundation', 'http://www.mozilla.org/', 'mozilla.png'),
     # ('Collabora', 'https://www.collabora.com/', 'collabora.png'),
+     ('', '', 'placeholder.png'),
+)
+
+COORGANIZER = (
+    ('University of Macedonia', 'https://www.uom.gr/en', 'uom_logo.png'),
 )
 
 #------------------------------------------------------------------------------
diff --git a/src/haml/index.haml b/src/haml/index.haml
index 837ece3..40fb618 100644
--- a/src/haml/index.haml
+++ b/src/haml/index.haml
@@ -60,23 +60,30 @@
                 -#     %img{:src => "/images/group_photo-28434184137_f3102ac89e_b.jpg", :alt => "CC BY-SA 
GuilleFuertes" }
                 .h2.text-center GUADEC brings together Free Software enthusiasts and professionals from all 
over the world. Join us for six days of talks, demos, discussion, parties, games and more.
 
-        .row
-            .col.text-center
-                .h3 For GUADEC notifications before and during the conference, you can subscribe to the 
attendees list
-                %a{:href => "https://mail.gnome.org/mailman/listinfo/guadec-attendees-list";, :rel => 
"nofollow", :target => "_blank", :class => "btn btn-light"}
-                  Subscribe for news and updates
-
         -if SPONSORS
             .row.sponsors-home
                 .col
-                    .h2 Sponsors
+                    .h1 Sponsors
+                    %p GUADEC could not happen without the support of sponsors. We are immensely grateful to 
the following organizations for their support.
                     - for name, url, image in SPONSORS:
                         %a{:href => "{{ url }}", :rel => "nofollow", :target => "_blank"}
                             %img{:src => "/images/sponsors/{{ image }}", :alt => "{{ name }}", :height => 
"50"}
 
+                   -if COORGANIZER
+                   .h3 Venue Partner and Co-Organizer
+                    %p
+                      - for name, url, image in COORGANIZER:
+                          %a{:href => "{{ url }}", :rel => "nofollow", :target => "_blank"}
+                              %img{:src => "/images/{{ image }}", :alt => "{{ name }}", :height => "150"}
+                    %p
+                      .h4 Want to sponsor and support GUADEC?
+                      %a{:href => "/pages/how-to-sponsor", :rel => "nofollow", :class => "btn btn-light"}
+                        Learn more  
+
         .row.subintro-home
-            .col
-                %p Join us to find out about the latest technical developments, learn new skills and tools, 
attend talks by leading experts, and participate in workshops and discussions. You will also get the 
opportunity to participate in the GNOME project, meet community members, as well as connect with local groups 
and organisations.
+            .col.col-sm-12.col-md-10.offset-md-1
+                %p Join us to find out about the latest technical developments, learn new skills and tools, 
attend talks by leading experts, and participate in workshops and discussions. You will also get the 
opportunity to participate in the GNOME project, meet community members, as well as connect with local groups 
and organizations.
+
 
     -#.highlights-home
         .container
@@ -141,3 +148,8 @@
             .col.text-center
                 - include "includes/socials.html"
                 .h4 Follow us for news and updates
+        .row.social-home
+            .col.text-center
+                .h3 For GUADEC notifications before and during the conference, you can subscribe to the 
attendees list
+                %a{:href => "https://mail.gnome.org/mailman/listinfo/guadec-attendees-list";, :rel => 
"nofollow", :target => "_blank", :class => "btn btn-light"}
+                  Subscribe for news and updates