Wiki: Show warning if attempt to save the page fails.

Change-Id: I3fbacfca1c5d5f5834797ef029d79228cdb4dde2
diff --git a/src/main/resources/META-INF/resources/package.json b/src/main/resources/META-INF/resources/package.json
index 2a3623e..d0657d4 100644
--- a/src/main/resources/META-INF/resources/package.json
+++ b/src/main/resources/META-INF/resources/package.json
@@ -21,7 +21,7 @@
       "ContentTools/build/content-tools.min.css",
       "ContentTools/build/images/*",
       "bosonic",
-      "elix",
+      "elix/define/*.js",
       "lit-html",
       "normalize-opentype.css/normalize-opentype.css",
       "normalize.css/normalize.css",