Added loader and updated GUI text and style changes from Michael

Change-Id: Id4f8d96b10e429ca469c6169741588dbcc4b5c7a
Signed-off-by: Iftekharul Islam <iislam@us.ibm.com>
diff --git a/app/common/styles/directives/app-navigation.scss b/app/common/styles/directives/app-navigation.scss
index f91457c..c89b8e4 100644
--- a/app/common/styles/directives/app-navigation.scss
+++ b/app/common/styles/directives/app-navigation.scss
@@ -176,4 +176,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}