Task view: Show user name instead of ID.

src/templates/attract/tasks/view_task_embed.jade

@@ -89,7 +89,7 @@
 			dd {{ task.properties.status | undertitle }}
 			dt Assignees:
 			| {% for u in task.properties.assigned_to['users'] %}
-			dd {{ u }}
+			dd {{ u.full_name }}
 			| {% else %}
 			dd not assigned
 			| {% endfor %}