GUI -- Added Settings view

Change-Id: Icdabb361bff3ccc3e4d12cb889dd77e62c1519e0
diff --git a/web/gui/src/main/webapp/app/fw/svg/icon.js b/web/gui/src/main/webapp/app/fw/svg/icon.js
index f40a425..6f9421f 100644
--- a/web/gui/src/main/webapp/app/fw/svg/icon.js
+++ b/web/gui/src/main/webapp/app/fw/svg/icon.js
@@ -53,6 +53,7 @@
         hostIcon_bgpSpeaker: 'bgpSpeaker',
 
         nav_apps: 'bird',
+        nav_settings: 'chain',
         nav_cluster: 'node',
         nav_topo: 'topo',
         nav_devs: 'switch',