All kinds of incremental improvements

Redone the instance action toolbar:
* Removed all the dead actions
* Change icon and Rename are now morphed into a header
* Added button for opening the config folder
Implemented support for loose files and folders as legacy jar mods
Added texture pack support

logic/ModList.h

@@ -15,9 +15,10 @@ class BaseInstance;
 #include <QString>
 #include <QDir>
 #include <QAbstractListModel>
-
 #include "Mod.h"
 
+class QFileSystemWatcher;
+
 /**
  * A legacy mod list.
  * Backed by a folder.
@@ -86,6 +87,9 @@ public:
 	/// what drop actions do we support?
 	virtual Qt::DropActions supportedDropActions() const;
 	
+	void startWatching();
+	void stopWatching();
+	
 	virtual bool isValid();
 	
 	QDir dir()
@@ -95,10 +99,14 @@ public:
 private:
 	QStringList readListFile();
 	bool saveListFile();
+private slots:
+	void directoryChanged(QString path);
 	
 signals:
 	void changed();
 protected:
+	QFileSystemWatcher * m_watcher;
+	bool is_watching;
 	QDir m_dir;
 	QString m_list_file;
 	QString m_list_id;