Compile subscriptions.xml into the libadblockplus build and make itusable

lib/api.js

Index: lib/api.js
===================================================================
--- a/lib/api.js
+++ b/lib/api.js
@@ -110,16 +110,35 @@ var API = (function()
     getListedSubscriptions: function()
     {
       return FilterStorage.subscriptions.filter(function(s)
       {
         return !(s instanceof SpecialSubscription)
       });
     },
 
+    getRecommendedSubscriptions: function()
+    {
+      var subscriptions = require("subscriptions.xml");
+      var result = [];
+      for (var i = 0; i < subscriptions.length; i++)
+      {
+        var subscription = Subscription.fromURL(subscriptions[i].url);
+        subscription.title = subscriptions[i].title;
+        subscription.homepage = subscriptions[i].homepage;
+
+        // These aren't normally properties of a Subscription object
+        subscription.author = subscriptions[i].author;
+        subscription.prefixes = subscriptions[i].prefixes;
+        subscription.specialization = subscriptions[i].specialization;
+        result.push(subscription);
+      }
+      return result;
+    },
+
     checkFilterMatch: function(url, contentType, documentUrl)
     {
       // TODO: set thirdParty properly
       var thirdParty = false;
       return defaultMatcher.matchesAny(url, contentType, documentUrl, thirdParty);
     },
 
     getElementHidingSelectors: function(domain)