Fix detection of Sony PlayStation.

Author: bnjmnt4n

platform.js

@@ -417,9 +417,8 @@
       'Nexus',
       'Nook',
       'PlayBook',
-      'PlayStation 3',
-      'PlayStation 4',
       'PlayStation Vita',
+      'PlayStation',
       'TouchPad',
       'Transformer',
       { 'label': 'Wii U', 'pattern': 'WiiU' },
@@ -446,7 +445,7 @@
       'Nintendo': { 'Wii U': 1,  'Wii': 1 },
       'Nokia': { 'Lumia': 1 },
       'Samsung': { 'Galaxy S': 1, 'Galaxy S2': 1, 'Galaxy S3': 1, 'Galaxy S4': 1 },
-      'Sony': { 'PlayStation 4': 1, 'PlayStation 3': 1, 'PlayStation Vita': 1 }
+      'Sony': { 'PlayStation': 1, 'PlayStation Vita': 1 }
     });
 
     /* Detectable operating systems (order is important). */

test/test.js

@@ -1948,18 +1948,28 @@
       'version': '0.0.1'
     },
 
-    'PlayStation Browser (like Safari 4.x) on PlayStation 3 4.21': {
+    'PlayStation Browser (like Safari 4.x) on Sony PlayStation 3': {
       'ua': 'Mozilla/5.0 (PLAYSTATION 3 4.21) AppleWebKit/531.22.8 (KHTML, like Gecko)',
       'layout': 'NetFront',
+      'manufacturer': 'Sony',
       'name': 'PlayStation Browser',
-      'product': 'PlayStation 3 4.21'
+      'product': 'PlayStation 3'
     },
 
-    'PlayStation Browser (like Safari 6.x) on PlayStation 4 1.51': {
+    'PlayStation Browser (like Safari 6.x) on Sony PlayStation 4': {
       'ua': 'Mozilla/5.0 (PlayStation 4 1.51) AppleWebKit/536.26 (KHTML, like Gecko)',
       'layout': 'NetFront',
+      'manufacturer': 'Sony',
+      'name': 'PlayStation Browser',
+      'product': 'PlayStation 4'
+    },
+
+    'PlayStation Browser (like Safari 7.x) on Sony PlayStation 4': {
+      'ua': 'Mozilla/5.0 (PlayStation 4 3.00) AppleWebKit/537.73 (KHTML, like Gecko)',
+      'layout': 'NetFront',
+      'manufacturer': 'Sony',
       'name': 'PlayStation Browser',
-      'product': 'PlayStation 4 1.51'
+      'product': 'PlayStation 4'
     },
 
     'Raven 0.5.8635 on OS X 10.7.1': {