GUI -- Completed icon directive definition, and wired up device view.

Change-Id: Ia3cf0655fb17d47adc54f9f4540bb25eacbaaa62
diff --git a/web/gui/src/main/webapp/app/index.html b/web/gui/src/main/webapp/app/index.html
index aa9c1de..f455406 100644
--- a/web/gui/src/main/webapp/app/index.html
+++ b/web/gui/src/main/webapp/app/index.html
@@ -58,6 +58,7 @@
     <link rel="stylesheet" href="onos.css">
     <link rel="stylesheet" href="common.css">
     <link rel="stylesheet" href="fw/mast/mast.css">
+    <link rel="stylesheet" href="fw/svg/icon.css">
     <link rel="stylesheet" href="fw/nav/nav.css">
 
     <!-- This is where contributed javascript will get injected -->