accessibility fixes and minor css changes.

- added aria-hidden = "true" to prevent icons to be read by screen readers
- moved code on pages into "page-header" for better consistency

Change-Id: I3f497b2707991f7f628892a05734eea183a0d01d
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/configuration/controllers/firmware-controller.html b/app/configuration/controllers/firmware-controller.html
index 76dbfe2..1d89138 100644
--- a/app/configuration/controllers/firmware-controller.html
+++ b/app/configuration/controllers/firmware-controller.html
@@ -1,11 +1,7 @@
-<div id="firmware">
-	<div class="row column">
-		<h1>Firmware</h1>
-	</div>
-</div>
 <div class="row column">
+	<h1>Firmware</h1>
 	<div class="column small-12 page-header">
-		<h1 class="inline h4">Manage BMC and server firmware</h1>
+		<h2 class="inline h4">Manage BMC and server firmware</h2>
 	</div>
 </div>
 <div class="row column">
diff --git a/app/configuration/styles/firmware.scss b/app/configuration/styles/firmware.scss
index 321bb3f..1c50dc0 100644
--- a/app/configuration/styles/firmware.scss
+++ b/app/configuration/styles/firmware.scss
@@ -1,5 +1,3 @@
-
-
 .firmware__ready {
   font-weight: 300;
 }