GUI -- MapService: changed to cache promises with attached meta data.
- unit tests for cached promises still WIP.

Change-Id: Ibe52cf3e83ed5753ccc12581b52fa1f640354e60
diff --git a/web/gui/src/main/webapp/app/fw/svg/glyph.js b/web/gui/src/main/webapp/app/fw/svg/glyph.js
index 621436c..844d0f3 100644
--- a/web/gui/src/main/webapp/app/fw/svg/glyph.js
+++ b/web/gui/src/main/webapp/app/fw/svg/glyph.js
@@ -139,7 +139,7 @@
             function register(viewBox, data, overwrite) {
                 var dmap = d3.map(data),
                     dups = [],
-                    ok, msg;
+                    ok;
 
                 dmap.forEach(function (key, value) {
                     if (!overwrite && glyphs.get(key)) {