Use bowser[browser name] for detection

Also, fix detection of IE so it works. Apparently bowser.name !== 'IE' on IE with bowser. bowser.msie works though.

src/lib/audio/shared-audio-context.js

@@ -2,7 +2,7 @@ import StartAudioContext from 'startaudiocontext';
 import bowser from 'bowser';
 
 let AUDIO_CONTEXT;
-if (bowser.name !== 'IE') {
+if (!bowser.msie) {
     AUDIO_CONTEXT = new (window.AudioContext || window.webkitAudioContext)();
 
     StartAudioContext(AUDIO_CONTEXT);

src/lib/supported-browser.js

@@ -5,10 +5,9 @@ import bowser from 'bowser';
  * @returns {boolean} False if the platform is definitely not supported.
  */
 export default function () {
-    if (bowser.name === 'IE' ||
-        bowser.name === 'Opera' ||
-        bowser.name === 'Opera Mini' ||
-        bowser.name === 'Silk') {
+    if (bowser.msie ||
+        bowser.opera ||
+        bowser.silk) {
         return false;
     }
     // @todo Should also test for versions of supported browsers