Upgrade pubsub-js to 1.6.0 (from 1.5.8)

Author: bdukes

package.json

@@ -58,7 +58,7 @@
     "numeral": "2.0.6",
     "pepjs": "0.4.3",
     "picturefill": "3.0.2",
-    "pubsub-js": "1.5.8",
+    "pubsub-js": "1.6.0",
     "quill": "1.3.6",
     "respond.js": "1.4.2",
     "responsive-tabs": "1.6.3",

yarn.lock

@@ -4466,9 +4466,9 @@ pseudomap@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
 
-pubsub-js@1.5.8:
-  version "1.5.8"
-  resolved "https://registry.yarnpkg.com/pubsub-js/-/pubsub-js-1.5.8.tgz#34d170caca398224ecc2219fce5c221996d0223b"
+pubsub-js@1.6.0:
+  version "1.6.0"
+  resolved "https://registry.yarnpkg.com/pubsub-js/-/pubsub-js-1.6.0.tgz#232d36485ce7905a54629ec5783d9f6f4c638026"
 
 pump@^1.0.0:
   version "1.0.3"