Ensure that Microsoft Edge on iOS and Android report accurate layout engines.

Ref. #158.
Ref. 1f400fb.

Author: bnjmnt4n

platform.js

@@ -339,7 +339,7 @@
 
     /* Detectable layout engines (order is important). */
     var layout = getLayout([
-      { 'label': 'EdgeHTML', 'pattern': '(?:Edge|EdgA|EdgiOS)' },
+      { 'label': 'EdgeHTML', 'pattern': 'Edge' },
       'Trident',
       { 'label': 'WebKit', 'pattern': 'AppleWebKit' },
       'iCab',

test/test.js

@@ -1704,7 +1704,7 @@
 
     'Microsoft Edge 41.1.35.1 (like Safari 8+) on Apple iPhone (iOS 10.3.2)': {
       'ua': 'Mozilla/5.0 (iPhone; CPU iPhone OS 10_3_2 like Mac OS X) AppleWebKit/603.2.4 (KHTML, like Gecko) Mobile/14F89 Safari/603.2.4 EdgiOS/41.1.35.1',
-      'layout': 'EdgeHTML',
+      'layout': 'WebKit',
       'manufacturer': 'Apple',
       'name': 'Microsoft Edge',
       'os': 'iOS 10.3.2',
@@ -1714,7 +1714,7 @@
 
     'Microsoft Edge 41.1.35.1 on Google Nexus 9 (Android 8.0)': {
       'ua': 'Mozilla/5.0 (Linux; Android 8.0; Google Nexus 9 - 5.1.0 - API 22 - 1536x2048 Build/LMY47D) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.0 Mobile Safari/537.36 EdgA/41.1.35.1',
-      'layout': 'EdgeHTML',
+      'layout': 'Blink',
       'manufacturer': 'Google',
       'name': 'Microsoft Edge',
       'os': 'Android 8.0',