new facebook mobile_iframe option

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-socialshare",
-  "version": "2.3.6",
+  "version": "2.3.7",
   "description": "A social media url and content share module for angularjs.",
   "authors": [
     "Filippo Oretti <[email protected]",

dist/angular-socialshare.js

@@ -1,12 +1,12 @@
 /*
  * angular-socialshare
- * 2.3.6
+ * 2.3.7
  * 
  * A social media url and content share module for angularjs.
  * http://720kb.github.io/angular-socialshare
  * 
  * MIT license
- * Fri Feb 17 2017
+ * Sat Feb 18 2017
  */
 /*global angular*/
 /*eslint no-loop-func:0, func-names:0*/
@@ -551,7 +551,7 @@
 
         urlString += '&bcc=' + encodeURIComponent(attrs.socialshareBcc);
       }
-      if($window.self !== $window.top) {
+      if ($window.self !== $window.top) {
         $window.open(urlString, '_blank');
       } else {
         $window.open(urlString, '_self');
@@ -841,18 +841,19 @@
     }
     , manageSmsShare = function smsShare($window, attrs, element) {
 
-      if(attrs.socialshareText.indexOf('%') >= 0) {
+      if (attrs.socialshareText.indexOf('%') >= 0) {
         $log.warn('sending sms text with "%" sign is not supported');
       }
 
       var body = encodeURIComponent(attrs.socialshareText.replace('%',''))
-        , toPhoneNumber = attrs.socialshareTo || '';
+        , toPhoneNumber = attrs.socialshareTo || ''
+        , urlString;
 
       if (attrs.socialshareUrl) {
         body += encodeURIComponent(attrs.socialshareUrl);
       }
 
-      var urlString = 'sms:' + toPhoneNumber + '?&body=' + body;
+      urlString = 'sms:' + toPhoneNumber + '?&body=' + body;
 
       element.attr('href', urlString);
       element.attr('target', '_blank');