Fix possible rule saving issue

Matching articles are now previewable in the rss downloader dialog
Make sure Rss downloading is enabled before checking for matching rules

src/qtlibtorrent/qbtsession.cpp

@@ -68,6 +68,8 @@
 #include <boost/filesystem/exception.hpp>
 #include <queue>
 
+QBtSession* QBtSession::m_instance = 0;
+
 const int MAX_TRACKER_ERRORS = 2;
 const float MAX_RATIO = 100.;
 enum VersionType { NORMAL,ALPHA,BETA,RELEASE_CANDIDATE,DEVEL };
@@ -2628,3 +2630,17 @@ void QBtSession::startUpTorrents() {
   settings.setValue("ported_to_new_savepath_system", true);
   qDebug("Unfinished torrents resumed");
 }
+
+QBtSession * QBtSession::instance()
+{
+  if(!m_instance) {
+    m_instance = new QBtSession;
+  }
+  return m_instance;
+}
+
+void QBtSession::drop()
+{
+  if(m_instance)
+    delete m_instance;
+}

src/qtlibtorrent/qbtsession.h

@@ -66,9 +66,13 @@ class QBtSession : public QObject {
   Q_OBJECT
   Q_DISABLE_COPY(QBtSession)
 
+private:
+  explicit QBtSession();
+  static QBtSession* m_instance;
+
 public:
-  // Constructor / Destructor
-  QBtSession();
+  static QBtSession* instance();
+  static void drop();
   ~QBtSession();
   QTorrentHandle getTorrentHandle(QString hash) const;
   std::vector<torrent_handle> getTorrents() const;