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/NostalgiaInstance.h

@@ -7,4 +7,5 @@ class NostalgiaInstance : public OneSixInstance
 	Q_OBJECT
 public:
 	explicit NostalgiaInstance(const QString &rootDir, SettingsObject * settings, QObject *parent = 0);
+	virtual QString getStatusbarDescription();
 };