add support firefox for iOS

src/bowser.js

@@ -47,7 +47,7 @@
       , mobile = !tablet && /[^-]mobi/i.test(ua)
       , result
 
-    if (/opera|opr/i.test(ua)) {
+    if (/opera|opr|opios/i.test(ua)) {
       result = {
         name: 'Opera'
       , opera: t
@@ -131,11 +131,11 @@
       , version: getFirstMatch(/seamonkey\/(\d+(\.\d+)?)/i)
       }
     }
-    else if (/firefox|iceweasel/i.test(ua)) {
+    else if (/firefox|iceweasel|fxios/i.test(ua)) {
       result = {
         name: 'Firefox'
       , firefox: t
-      , version: getFirstMatch(/(?:firefox|iceweasel)[ \/](\d+(\.\d+)?)/i)
+      , version: getFirstMatch(/(?:firefox|iceweasel|fxios)[ \/](\d+(\.\d+)?)/i)
       }
       if (/\((mobile|tablet);[^\)]*rv:[\d\.]+\)/i.test(ua)) {
         result.firefoxos = t

src/useragents.js

@@ -715,7 +715,17 @@ module.exports.useragents = {
       , linux: true
       , c: true
       }
+    , 'Mozilla/5.0 (iPhone; CPU iPhone OS 9_3_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) FxiOS/3.0 Mobile/13E238 Safari/601.1.46': {
+        firefox: true
+      , version: '3.0'
+      , osversion: '9.3.1'
+      , ios: true
+      , iphone: true
+      , mobile: true
+      , a: true
+      , webkit: true
     }
+  }
   , SeaMonkey: {
       'Mozilla/5.0 (Windows NT 5.2; rv:10.0.1) Gecko/20100101 Firefox/10.0.1 SeaMonkey/2.7.1': {
         gecko: true