diff --git a/ajax/libs/angular-retina/0.2.2/angular-retina.js b/ajax/libs/angular-retina/0.2.2/angular-retina.js
new file mode 100644
index 000000000..c6a96f3bd
--- /dev/null
+++ b/ajax/libs/angular-retina/0.2.2/angular-retina.js
@@ -0,0 +1,69 @@
+/*! angular-retina - v0.2.2 - 2013-12-13
+* https://github.com/jrief/angular-retina
+* Copyright (c) 2013 Jacob Rief; Licensed MIT */
+(function (angular, undefined) {
+  'use strict';
+  angular.module('ngRetina', []).config([
+    '$provide',
+    function ($provide) {
+      $provide.decorator('ngSrcDirective', [
+        '$delegate',
+        function ($delegate) {
+          $delegate[0].compile = function (element, attrs) {
+          };
+          return $delegate;
+        }
+      ]);
+    }
+  ]).directive('ngSrc', [
+    '$window',
+    '$http',
+    function ($window, $http) {
+      var msie = parseInt((/msie (\d+)/.exec($window.navigator.userAgent.toLowerCase()) || [])[1], 10);
+      var isRetina = function () {
+          var mediaQuery = '(-webkit-min-device-pixel-ratio: 1.5), (min--moz-device-pixel-ratio: 1.5), ' + '(-o-min-device-pixel-ratio: 3/2), (min-resolution: 1.5dppx)';
+          if ($window.devicePixelRatio > 1)
+            return true;
+          return $window.matchMedia && $window.matchMedia(mediaQuery).matches;
+        }();
+      function getHighResolutionURL(url) {
+        var parts = url.split('.');
+        if (parts.length < 2)
+          return url;
+        parts[parts.length - 2] += '@2x';
+        return parts.join('.');
+      }
+      return function (scope, element, attrs) {
+        function setImgSrc(img_url) {
+          attrs.$set('src', img_url);
+          if (msie)
+            element.prop('src', img_url);
+        }
+        function set2xVariant(img_url) {
+          var img_url_2x = $window.sessionStorage.getItem(img_url);
+          if (!img_url_2x) {
+            img_url_2x = getHighResolutionURL(img_url);
+            $http.head(img_url_2x).success(function (data, status) {
+              setImgSrc(img_url_2x);
+              $window.sessionStorage.setItem(img_url, img_url_2x);
+            }).error(function (data, status, headers, config) {
+              setImgSrc(img_url);
+              $window.sessionStorage.setItem(img_url, img_url);
+            });
+          } else {
+            setImgSrc(img_url_2x);
+          }
+        }
+        attrs.$observe('ngSrc', function (value) {
+          if (!value)
+            return;
+          if (isRetina && typeof $window.sessionStorage === 'object') {
+            set2xVariant(value);
+          } else {
+            setImgSrc(value);
+          }
+        });
+      };
+    }
+  ]);
+}(window.angular));
\ No newline at end of file
diff --git a/ajax/libs/angular-retina/0.2.2/angular-retina.min.js b/ajax/libs/angular-retina/0.2.2/angular-retina.min.js
new file mode 100644
index 000000000..effbe008d
--- /dev/null
+++ b/ajax/libs/angular-retina/0.2.2/angular-retina.min.js
@@ -0,0 +1,4 @@
+/*! angular-retina - v0.2.2 - 2013-12-13
+* https://github.com/jrief/angular-retina
+* Copyright (c) 2013 Jacob Rief; Licensed MIT */
+!function(a){"use strict";a.module("ngRetina",[]).config(["$provide",function(a){a.decorator("ngSrcDirective",["$delegate",function(a){return a[0].compile=function(){},a}])}]).directive("ngSrc",["$window","$http",function(a,b){function c(a){var b=a.split(".");return b.length<2?a:(b[b.length-2]+="@2x",b.join("."))}var d=parseInt((/msie (\d+)/.exec(a.navigator.userAgent.toLowerCase())||[])[1],10),e=function(){var b="(-webkit-min-device-pixel-ratio: 1.5), (min--moz-device-pixel-ratio: 1.5), (-o-min-device-pixel-ratio: 3/2), (min-resolution: 1.5dppx)";return a.devicePixelRatio>1?!0:a.matchMedia&&a.matchMedia(b).matches}();return function(f,g,h){function i(a){h.$set("src",a),d&&g.prop("src",a)}function j(d){var e=a.sessionStorage.getItem(d);e?i(e):(e=c(d),b.head(e).success(function(){i(e),a.sessionStorage.setItem(d,e)}).error(function(){i(d),a.sessionStorage.setItem(d,d)}))}h.$observe("ngSrc",function(b){b&&(e&&"object"==typeof a.sessionStorage?j(b):i(b))})}}])}(window.angular);
\ No newline at end of file
diff --git a/ajax/libs/angular-retina/package.json b/ajax/libs/angular-retina/package.json
new file mode 100644
index 000000000..064cd2ab0
--- /dev/null
+++ b/ajax/libs/angular-retina/package.json
@@ -0,0 +1,27 @@
+{
+  "name": "angular-retina",
+  "filename":"angular-retina.min.js",
+  "description": "Replaces the AngularJS directive ng-src by a version which supports Retina displays",
+  "version": "0.2.2",
+  "homepage": "https://github.com/jrief/angular-retina",
+  "keywords": [
+    "AngularJS",
+    "Retina",
+    "High resolution displays",
+    "directives",
+    "angular",
+    "angular.js"
+  ],
+  "repositories": [{
+    "type": "git",
+    "url": "git://github.com/jrief/angular-retina.git"
+  }],
+  "author": [{
+     "name": "Jacob Rief",
+     "email": "jacob.rief@gmail.com"
+  }],
+  "licenses": [{
+    "type": "MIT",
+    "url": "https://github.com/jrief/angular-retina/blob/master/LICENSE-MIT"
+  }]
+}