Explicitly include boost::noncopyable
Explicitly include boost::noncopyable

In file included from src/buses.cpp:37:
In file included from include/usbtop/buses.h:34:
In file included from include/usbtop/usb_bus.h:34:
In file included from include/usbtop/usb_device.h:35:
include/usbtop/usb_stats.h:44:21: error: expected class name
class Stats: boost::noncopyable
                    ^
include/usbtop/usb_stats.h:84:24: error: expected class name
class UsbStats: boost::noncopyable
                       ^
In file included from src/buses.cpp:37:
In file included from include/usbtop/buses.h:34:
In file included from include/usbtop/usb_bus.h:34:
include/usbtop/usb_device.h:41:25: error: expected class name
class UsbDevice: boost::noncopyable
                        ^
In file included from src/buses.cpp:37:
In file included from include/usbtop/buses.h:34:
include/usbtop/usb_bus.h:45:22: error: expected class name
class UsbBus: boost::noncopyable
                     ^

aguinet/usbtop,aguinet/usbtop