Present number of sensors available

  - Following the same pattern as event logs
    where number count  of items are visible all the time

Resolves openbmc/phosphor-webui#29

Change-Id: I1c79c72f9afa98eb834a4504543ed88e3973f034
Signed-off-by: Iftekharul Islam <iffy.ryan@ibm.com>
diff --git a/app/server-health/controllers/sensors-overview-controller.html b/app/server-health/controllers/sensors-overview-controller.html
index 5d510aa..977a608 100644
--- a/app/server-health/controllers/sensors-overview-controller.html
+++ b/app/server-health/controllers/sensors-overview-controller.html
@@ -51,7 +51,7 @@
   <section id="sensor-categories" class="row column" ng-show="filteredSensorData.length">
     <div class="row column header-row">
       <div class="column large-12 header__actions-bar">
-        <p class="inline sensor__title">Sensors</p>
+        <p class="inline sensor__title">Sensors ({{filteredSensorData.length}})</p>
         <p class="inline sensor__reading">Low critical</p>
         <p class="inline sensor__reading">Low warning</p>
         <p class="inline sensor__reading sensor__heading-current">Current</p>