UI support for target tracking scaling (#1442)

* wip - add tracking scaling tab

* wip target tracking scaling

* wip

* wip - need delete support

* All flows working

* clean up

* format form

* refresh page when policy is deleted

* format form

deploy-board/deploy_board/templates/groups/asg_metrics.tmpl

@@ -1,10 +1,11 @@
+<div id="asMetricsId" class="collapse in panel-body">
 {% load utils %}
 {% include "panel_heading.tmpl" with panel_title="Scaling Alarms" panel_body_id="asMetricsId" direction="down" %}
-<div id="asMetricsId" class="collapse in panel-body">
 <script>
 var ALARM_WARNING_THRESHOLD = 70;
 var ALARM_WARNING_TEXT = `CPUUtilization > ${ALARM_WARNING_THRESHOLD}% is recommended only for applications that are less latency sensitive. Load testing to determine an appropriate threshold is strongly encouraged.`;
 </script>
+
 {% for alarm in alarms %}
     <div class="panel-heading clearfix">
         <h4 class="panel-title pull-left pointer-cursor">
@@ -144,9 +145,8 @@ let alarmVue = new Vue({
 {% endfor %}
 </div>
 
-<div id="new-entry-id"></div>
 
-<div class="panel-footer clearfix">
+<div id="resetAsMetricsBtnDivId" class="panel-footer clearfix">
     <div class="pull-right">
         <button id="resetAsMetricsBtnId" class="btn btn-default"
                 data-loading-text="Reloading...">
@@ -162,6 +162,7 @@ let alarmVue = new Vue({
         </button>
     </div>
 </div>
+
 <script>
     $(function () {
         $('#saveAsMetricsBtnId').attr('disabled','disabled');