YANG GUI - fixed incorrect event/variable naming.
- also added custom glyph for YANG.
- also implemented details panel structure.

Change-Id: Ifdbf358acfa724591afd3b865da7e9d1dab5d429
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 a24542f..8e0252f 100644
--- a/web/gui/src/main/webapp/app/fw/svg/icon.js
+++ b/web/gui/src/main/webapp/app/fw/svg/icon.js
@@ -75,7 +75,8 @@
         nav_links: 'ports',
         nav_hosts: 'endstation',
         nav_intents: 'relatedIntents',
-        nav_tunnels: 'ports'  // TODO: use tunnel glyph, when available
+        nav_tunnels: 'ports',  // TODO: use tunnel glyph, when available
+        nav_yang: 'yang'
     };
 
     function ensureIconLibDefs() {