update from master

Author: djih

CHANGELOG.md

@@ -1,6 +1,8 @@
 ## Unreleased
 
 * Add support for logging events to multiple Amplitude apps. **Note this is a major update, and may break backwards compatability.** See [Readme](https://github.com/amplitude/Amplitude-Javascript#300-update-and-logging-events-to-multiple-amplitude-apps) for details.
+* Fix bug where saveReferrer throws exception if sessionStorage is disabled.
+* Log messages with a try/catch to support IE 8.
 
 ## 2.9.0 (January 15, 2016)
 

amplitude.js

@@ -266,7 +266,11 @@ var type = require('./type');
 var DEFAULT_OPTIONS = require('./options');
 
 var log = function(s) {
-  console.log('[Amplitude] ' + s);
+  try {
+    console.log('[Amplitude] ' + s);
+  } catch (e) {
+    // console logging not available
+  }
 };
 
 var DEFAULT_INSTANCE = '$default_instance';
@@ -2236,7 +2240,11 @@ var AMP_OP_SET_ONCE = '$setOnce';
 var AMP_OP_UNSET = '$unset';
 
 var log = function(s) {
-  console.log('[Amplitude] ' + s);
+  try {
+    console.log('[Amplitude] ' + s);
+  } catch (e) {
+    // console logging not available
+  }
 };
 
 var Identify = function() {

amplitude.min.js

@@ -14,7 +14,11 @@ var type = require('./type');
 var DEFAULT_OPTIONS = require('./options');
 
 var log = function(s) {
-  console.log('[Amplitude] ' + s);
+  try {
+    console.log('[Amplitude] ' + s);
+  } catch (e) {
+    // console logging not available
+  }
 };
 
 var DEFAULT_INSTANCE = '$default_instance';

src/amplitude-client.js

@@ -14,7 +14,11 @@ var AMP_OP_SET_ONCE = '$setOnce';
 var AMP_OP_UNSET = '$unset';
 
 var log = function(s) {
-  console.log('[Amplitude] ' + s);
+  try {
+    console.log('[Amplitude] ' + s);
+  } catch (e) {
+    // console logging not available
+  }
 };
 
 var Identify = function() {