* Use dedicated port-names for UFx
* Do not show SSL-UFx device-info files in MCU
* Fix Window namespacing/missing symbols
* Address Windows ambiguous symbols (Button, Surface)
Those used to have a Mackie:: prefix, now they need
MACKIE_NAMESPACE
When re-opening the GUI, there is still a somewha mysterious warning:
```
glibmm-WARNING **: file value_custom.cc: (Glib::custom_boxed_type_register): The type name `glibmm__CustomBoxed_N13ArdourSurface6NS_UF86Button2IDE' has been registered already.
```
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