Create a macro for profile links and use it on the welcome and profile display pages

calsocial/templates/welcome.html

@@ -1,4 +1,5 @@
 {% extends 'base.html' %}
+{% from '_macros.html' import profile_link %}
 
 {% block content %}
 <div class="ui grid">
@@ -73,11 +74,7 @@
 
         <div class="four wide column">
             <h2>{% trans %}Administered by{% endtrans %}</h2>
-            <a href="#" class="ui profile">
-                <div class="avatar"></div>
-                <div class="display name">Your Admin here</div>
-                <div class="handle">@admin@he.re</div>
-            </a>
+            {{ profile_link(none) }}
         </div>
     </div>
 </div>