Change project directory structure.

Change project directory structure according to application structure.
Change 'nox' configuration option to something more meaningful 'nogui'.
Rename 'Icons' folder to 'icons' (similar to other folders).
Partially add 'nowebui' option support.
Remove QConf project file.

src/core/logger.h

@@ -0,0 +1,83 @@
+#ifndef LOGGER_H
+#define LOGGER_H
+
+#include <QString>
+#include <QVector>
+#include <QReadWriteLock>
+#include <QObject>
+#include <libtorrent/version.hpp>
+
+const int MAX_LOG_MESSAGES = 1000;
+
+namespace Log
+{
+    enum MsgType
+    {
+        NORMAL,
+        INFO,
+        WARNING,
+        CRITICAL //ERROR is defined by libtorrent and results in compiler error
+    };
+
+    struct Msg
+    {
+        Msg();
+        Msg(int id, MsgType type, const QString &message);
+        int id;
+        qint64 timestamp;
+        MsgType type;
+        QString message;
+    };
+
+    struct Peer
+    {
+#if LIBTORRENT_VERSION_NUM < 10000
+        Peer(int id, const QString &ip, bool blocked);
+#else
+        Peer(int id, const QString &ip, bool blocked, const QString &reason);
+#endif
+        Peer();
+        int id;
+        qint64 timestamp;
+        QString ip;
+        bool blocked;
+#if LIBTORRENT_VERSION_NUM >= 10000
+        QString reason;
+#endif
+    };
+}
+
+class Logger : public QObject
+{
+    Q_OBJECT
+    Q_DISABLE_COPY(Logger)
+
+public:
+    static Logger* instance();
+    static void drop();
+    ~Logger();
+
+    void addMessage(const QString &message, const Log::MsgType &type = Log::NORMAL);
+#if LIBTORRENT_VERSION_NUM < 10000
+    void addPeer(const QString &ip, bool blocked);
+#else
+    void addPeer(const QString &ip, bool blocked, const QString &reason = QString());
+#endif
+    QVector<Log::Msg> getMessages(int lastKnownId = -1) const;
+    QVector<Log::Peer> getPeers(int lastKnownId = -1) const;
+
+signals:
+    void newLogMessage(const Log::Msg &message);
+    void newLogPeer(const Log::Peer &peer);
+
+private:
+    Logger();
+    static Logger* m_instance;
+    QVector<Log::Msg> m_messages;
+    QVector<Log::Peer> m_peers;
+    mutable QReadWriteLock lock;
+    int msgCounter;
+    int peerCounter;
+};
+
+#endif // LOGGER_H