Default H2 text to coreId if coreName not present.

views/core.hbs

@@ -1,7 +1,11 @@
 {{!< default}}
 
 {{! Grab 1st coreName value (it will be same value for entire set).}}
-<h2>Alerts from Particle Core: {{alerts.0.coreName}} </h2>
+{{#if alerts.0.coreName}}
+    <h2>Alerts from Particle Core: {{alerts.0.coreName}} </h2>
+{{else}}
+    <h2>Alerts from Particle Core: {{alerts.0.coreId}} </h2>
+{{/if}}
 
 <table class="table table-striped">
     <thead>