PLT-3753 Added Segment analytics (#3972)

vendor/github.com/segmentio/analytics-go/History.md

@@ -0,0 +1,67 @@
+
+v2.1.1 / 2016-04-26
+===================
+
+ * Fix blocking the goroutine when Close is the first call.
+ * Fix blocking the goroutine when the message queue fills up.
+
+v2.1.0 / 2015-12-28
+===================
+
+ * Add ability to set custom timestamps for messages.
+ * Add ability to set a custom `net/http` client.
+ * Add ability to set a custom logger.
+ * Fix edge case when client would try to upload no messages.
+ * Properly upload in-flight messages when client is asked to shutdown.
+ * Add ability to set `.integrations` field on messages.
+ * Fix resource leak with interval ticker after shutdown.
+ * Add retries and back-off when uploading messages.
+ * Add ability to set  custom flush interval.
+
+v2.0.0 / 2015-02-03
+===================
+
+ * rewrite with breaking API changes
+
+v1.2.0 / 2014-09-03
+==================
+
+ * add public .Flush() method
+ * rename .Stop() to .Close()
+
+v1.1.0 / 2014-09-02
+==================
+
+ * add client.Stop() to flash/wait. Closes #7
+
+v1.0.0 / 2014-08-26
+==================
+
+ * fix response close
+ * change comments to be more go-like
+ * change uuid libraries
+
+0.1.2 / 2014-06-11
+==================
+
+ * add runnable example
+ * fix: close body
+
+0.1.1 / 2014-05-31
+==================
+
+ * refactor locking
+
+0.1.0 / 2014-05-22
+==================
+
+ * replace Debug option with debug package
+
+0.0.2 / 2014-05-20
+==================
+
+ * add .Start()
+ * add mutexes
+ * rename BufferSize to FlushAt and FlushInterval to FlushAfter
+ * lower FlushInterval to 5 seconds
+ * lower BufferSize to 20 to match other clients