Compile subscriptions.xml into the libadblockplus build and make itusable

shell/src/SubscriptionsCommand.cpp

 #include <iostream>
 #include <sstream>
 
 #include "SubscriptionsCommand.h"
 
 namespace
 {
   typedef std::vector<AdblockPlus::SubscriptionPtr> SubscriptionList;
 
   void ShowSubscriptionList(const SubscriptionList& subscriptions)
   {
     for (SubscriptionList::const_iterator it = subscriptions.begin();
          it != subscriptions.end(); it++)
-      std::cout << (*it)->GetProperty("title", "(no title)") << " - " << (*it)->GetProperty("url", "") << std::endl;
+    {
+      std::cout << (*it)->GetProperty("title", "(no title)") << " - " << (*it)->GetProperty("url", "");
+      if ((*it)->GetProperty("author", "") != "")
+        std::cout << " - " << (*it)->GetProperty("author", "");
+      if ((*it)->GetProperty("specialization", "") != "")
+        std::cout << " - " << (*it)->GetProperty("specialization", "");
+      std::cout << std::endl;
+    }
   }
 }
 
 SubscriptionsCommand::SubscriptionsCommand(
   AdblockPlus::FilterEngine& filterEngine)
   : Command("subscriptions"), filterEngine(filterEngine)
 {
 }
 
 void SubscriptionsCommand::operator()(const std::string& arguments)
@@ skipping 73 matching lines @@
 void SubscriptionsCommand::UpdateSubscriptions()
 {
   const SubscriptionList& subscriptions = filterEngine.GetListedSubscriptions();
   for (SubscriptionList::const_iterator it = subscriptions.begin();
        it != subscriptions.end(); it++)
     (*it)->UpdateFilters();
 }
 
 void SubscriptionsCommand::FetchSubscriptions()
 {
-  filterEngine.FetchAvailableSubscriptions(&ShowSubscriptionList);
+  ShowSubscriptionList(filterEngine.FetchAvailableSubscriptions());
 }