Let'em fly

System extension: - Flying dialogs: Many dialogs are made flyable. With this you can make hidden things visible. Also the alert boxes can fly now. - Keyboard operability of dialogs: Many dialogs can now be operated by keyboard. - Additional editing features: If a dialog contains editable input fields, additional editing functions are provided.  Among others, the GEM clipboard is supported and a history of the last 20 entries is maintained. - new alert boxes with new icons: The visual appearance of the alert boxes has been revised. They are now only as big as they really need to be. Furthermore you can reload new icons. - Grow-/Shrinkboxes can be switched off