loader animation added to pages

Change-Id: Id8c890714d0a90ae913b6581cd655abcf6cd6781
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/server-health/controllers/sensors-overview-controller.html b/app/server-health/controllers/sensors-overview-controller.html
index a310b9d..8ee8d8a 100644
--- a/app/server-health/controllers/sensors-overview-controller.html
+++ b/app/server-health/controllers/sensors-overview-controller.html
@@ -1,3 +1,4 @@
+<loader loading="loading"></loader>
 <div id="sensors-overview">
 	<div class="row column">
 		<h1>Sensors</h1>