Updated big-icon test page to all built-in glyphs to be accessed also.

Change-Id: If2745df6aa2839850d4a82cb7f8b5c5fb9ef5791
diff --git a/web/gui/src/main/webapp/_sdh/big-icon.html b/web/gui/src/main/webapp/_sdh/big-icon.html
index ac0f84f..1013e60 100644
--- a/web/gui/src/main/webapp/_sdh/big-icon.html
+++ b/web/gui/src/main/webapp/_sdh/big-icon.html
@@ -53,12 +53,14 @@
             color: darkred;
         }
 
+        /* foreground color */
         svg .glyph {
             stroke: none;
-            fill: #123456;
+            fill: #246;
             fill-rule: evenodd;
         }
 
+        /* background color */
         svg.embeddedGlyph .glyph rect {
             fill: #fff
         }