- Added a drop-down item to allow removing unused keys, in the Network dialog.

- added key removal method in OpenPGP-SDK
- improved FriendSelectionDialog/Widget to enable select all/none keys, and show non friend keys
- added safe key removal method in PGPHandler. Removed keys from other locations will not cause errors.
- added backup system to public keyring, impossibility to remove public parts of owned secret keys, etc.



git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6382 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/NetworkDialog.h

@@ -66,6 +66,7 @@ protected:
 
 private slots:
 
+	void removeUnusedKeys() ;
   void makeFriend() ;
   void denyFriend() ;
   void deleteCert() ;