Prepare for release

Author: Paul Boocock

CHANGELOG

@@ -1,3 +1,7 @@
+Version 2.13.0 (2019-11-21)
+---------------------------
+Add activity tracking callback mechanism (#774)
+
 Version 2.12.0 (2019-10-31)
 ---------------------------
 Core: Add function to allow setting Useragent (#744)

examples/web/activity-tracking.html

@@ -43,7 +43,7 @@
         ;(function(p,l,o,w,i,n,g){if(!p[i]){p.GlobalSnowplowNamespace=p.GlobalSnowplowNamespace||[];
         p.GlobalSnowplowNamespace.push(i);p[i]=function(){(p[i].q=p[i].q||[]).push(arguments)
         };p[i].q=p[i].q||[];n=l.createElement(o);g=l.getElementsByTagName(o)[0];n.async=1;
-        n.src=w;g.parentNode.insertBefore(n,g)}}(window,document,"script","//d1fc8wv8zag5ca.cloudfront.net/2.12.0/sp.js","snowplow"));
+        n.src=w;g.parentNode.insertBefore(n,g)}}(window,document,"script","//d1fc8wv8zag5ca.cloudfront.net/2.13.0/sp.js","snowplow"));
 
       window.snowplow('newTracker', 'cf', 'd3rkrsqld9gmqf.cloudfront.net', { // Initialise a tracker
         // Initialise a tracker

npm-shrinkwrap.json

@@ -1,6 +1,6 @@
 {
   "name": "snowplow-tracker",
-  "version": "2.12.0",
+  "version": "2.13.0",
   "dependencies": {
     "browser-cookie-lite": "^1.0.4",
     "jstimezonedetect": "1.0.5",