made footer logo url configurable and added princeton one to the repo just for now

server_ui/templates/base.html

@@ -41,8 +41,8 @@
         </div>
       <div id="footer">
 <span style="float:right;">
-{% if settings.FOOTER_LOGO %}
-<img src="/static/footer-logo.gif" />
+{% if settings.FOOTER_LOGO_URL %}
+<img src="{{settings.FOOTER_LOGO_URL}}" />
 {% endif %}
 </span>
 {% if user %}

settings.py

@@ -142,7 +142,7 @@ SITE_TITLE = get_from_env('SITE_TITLE', 'Helios Election Server')
 
 # FOOTER links
 FOOTER_LINKS = json.loads(get_from_env('FOOTER_LINKS', '[]'))
-FOOTER_LOGO = False
+FOOTER_LOGO_URL = get_from_env('FOOTER_LOGO_URL', None)
 
 WELCOME_MESSAGE = get_from_env('WELCOME_MESSAGE', "This is the default message")