new icon and pop-out window for Serial over lan

Change-Id: I1722a4fbd1e9ac07162c9732d68dfea283a28aed
Signed-off-by: Michael Davis <michael.s.davis@ibm.com>
diff --git a/app/common/styles/base/icons.scss b/app/common/styles/base/icons.scss
index fe6156f..19b4a99 100644
--- a/app/common/styles/base/icons.scss
+++ b/app/common/styles/base/icons.scss
@@ -83,6 +83,11 @@
   background-image: url(/assets/images/icon-off.svg);
 }
 
+.icon__return {
+  @include status-icon;
+  background-image: url(/assets/images/icon-return.svg);
+}
+
 .icon__info{
   margin-top: -4px;
   margin-right: .5em;