Header and nav changes based on user feedback.

- Changed "page last refreshed" label to "Data last refreshed"
- Changed "Configuration" label to "Server Configuration"
- adding flashing of header timestamp on click of "refresh" button
- moved "Server LED" under Server Configuration

Change-Id: I9971fd96da94514a7edc8e4977591c4de85f70c9
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/common/styles/layout/header.scss b/app/common/styles/layout/header.scss
index 1e25653..1ca6daf 100644
--- a/app/common/styles/layout/header.scss
+++ b/app/common/styles/layout/header.scss
@@ -158,8 +158,8 @@
     }
     .header__refresh {
       color: $darkgrey;
-      line-height: 1.8;
-      margin-top: -4px;
+      line-height: 1.4;
+      border-radius: 6px;
       span {
         @include fontCourierBold;
       }