User assignment for tasks

src/templates/attract/tasks/view_task_embed.jade

@@ -33,5 +33,13 @@ script(src="{{ url_for('static_attract', filename='js/tasks.js') }}",async=true)
 				| <option value="{{ status }}" {% if status == task.properties.status %}selected{% endif %}>{{ status|undertitle }}</option>
 				| {% endfor %}
 
+		.input-transparent-group
+			select.input-transparent(
+			name="users",
+			multiple,
+			aria-describedby="task-addon-users")
+				| {% for u in project.users %}
+				| <option value="{{ u._id }}">{{u.email}}</option>
+				| {% endfor %}
 		.input-transparent-group
 			button.btn.btn-default(type=submit) Save task