Backport - Add new OS: Ubuntu Touch

(cherry picked from commit 594b6b1)

Author: faisalman

src/ua-parser.js

@@ -843,7 +843,7 @@
             /(ubuntu) ([\w\.]+) like android/i                                  // Ubuntu Touch
             ], [[NAME, /(.+)/, '$1 Touch'], VERSION], [
                                                                                 // Android/Blackberry/WebOS/QNX/Bada/RIM/KaiOS/Maemo/MeeGo/S40/Sailfish OS/OpenHarmony/Tizen
-            /(android|bada|blackberry|kaios|maemo|meego|openharmony|qnx|rim tablet os|sailfish|series40|symbian|tizen|webos)\w*[-\/; ]?([\d\.]*)/i
+            /(android|bada|blackberry|kaios|maemo|meego|openharmony|qnx|rim tablet os|sailfish|series40|symbian|tizen|webos)\w*[-\/\.; ]?([\d\.]*)/i
             ], [NAME, VERSION], [
             /\(bb(10);/i                                                        // BlackBerry 10
             ], [VERSION, [NAME, BLACKBERRY]], [

test/os-test.json

@@ -539,6 +539,15 @@
             "version" : "undefined"
         }
     },
+    {
+        "desc"    : "Ubuntu Touch",
+        "ua"      : "Mozilla/5.0 (Linux; Ubuntu 16.04 like Android 4.4) AppleWebKit/537.36 Chromium/65.0.3325.151 Mobile Safari/537.36",
+        "expect"  :
+        {
+            "name"    : "Ubuntu Touch",
+            "version" : "16.04"
+        }
+    },
     {
         "desc"    : "Kubuntu",
         "ua"      : "Mozilla/5.0 (compatible; Konqueror/4.4; Linux 2.6.32-22-generic; X11; en_US) KHTML/4.4.3 (like Gecko) Kubuntu",