Update activities markup on user show view

* and fix missing icons

app/views/users/show.html.erb

@@ -83,17 +83,23 @@ See doc/COPYRIGHT.rdoc for more details.
       <div id="activity">
         <% @events_by_day.keys.sort.reverse.each do |day| %>
           <h4><%= format_activity_day(day) %></h4>
-          <dl>
+          <ul class="generic-list">
             <% @events_by_day[day].sort {|x,y| y.event_datetime <=> x.event_datetime }.each do |e| -%>
-              <dt class="<%= e.event_type %>">
-                <%= icon_wrapper("icon-context icon-#{e.event_type}", e.event_name) %>
-                <span class="time"><%= format_time(e.event_datetime, false) %></span>
-                <%= content_tag('span', h(e.project), class: 'project') %>
-                <%= link_to format_activity_title(e.event_title), e.event_url %>
-              </dt>
-              <dd><span class="description"><%= format_activity_description(e.event_description) %></span></dd>
+              <li class="<%= e.event_type %>">
+                <div class="title">
+                  <% event_type = e.event_type == 'meeting' ? 'meetings' : e.event_type %>
+                  <% event_type = e.event_type == 'cost_object' ? 'budget' : event_type %>
+                  <%= icon_wrapper("icon-context icon-#{event_type}", e.event_name) %>
+                  <span class="time"><%= format_time(e.event_datetime, false) %></span>
+                  <%= content_tag('span', h(e.project), class: 'project') %>
+                  <%= link_to format_activity_title(e.event_title), e.event_url %>
+                </div>
+                <div class="description">
+                  <%= format_activity_description(e.event_description) %>
+                </div>
+              </li>
             <% end -%>
-          </dl>
+          </ul>
         <% end -%>
       </div>