Improved invitations sent styles

- display YES/NO labels/styles in `consumed` column

astakos/im/static/im/grnetstyles/css/styles.css

@@ -748,3 +748,9 @@ div.form-stacked {
 .service-desc {
   margin-top: 4em;
 }
+table td.consumed {
+  color: #9d261d;
+}
+table tr.consumed td.consumed {
+  color: #46a546;
+}

astakos/im/static/im/grnetstyles/css/styles.less

@@ -332,3 +332,15 @@ div.form-stacked {
     margin-top: 4em;    
 
 }
+
+table {
+
+    td.consumed {
+        color: @red;
+    }
+    tr.consumed {
+        td.consumed {
+            color: @green;    
+        }
+    }
+}

astakos/im/templates/invitations.html

@@ -17,10 +17,10 @@
             </thead>
             <tbody>
               {% for inv in sent %}
-              <tr>
+              <tr class="{% if inv.is_consumed %}consumed{% endif %}">
                 <td>{{ inv.email }}</td>
                 <td>{{ inv.realname }}</td>
-                <td>{{ inv.is_consumed }}</td>
+                <td class="consumed">{% if inv.is_consumed %}Yes{% else %}No{% endif %}</td>
               </tr>
               {% endfor %}
             </tbody>