cpp: merge please

[murrayc t-online de (Murray Cumming)]

Could someone merge the latest ORBit2 HEAD changes into the ORBit2 cpp
branch again?

I need to rule out our out-of-dateness as the cause of this problem in
test/cpp/helloworld/client:

(process:2835): GLib-GObject-WARNING **: invalid uninstantiatable type
`void' in cast to `LINCConnection'

(process:2835): GLib-GObject-WARNING **: invalid uninstantiatable type
`void' in cast to `LINCConnection'

(process:2835): GLib-GObject-WARNING **: invalid uninstantiatable type
`void' in cast to `LINCConnection'

(process:2835): GLib-GObject-WARNING **: invalid uninstantiatable type
`void' in cast to `LINCConnection'

(process:2835): GLib-GObject-WARNING **: invalid uninstantiatable type
`void' in cast to `LINCConnection'

<etc>

-- 
Murray Cumming
murrayc@usa.net
www.murrayc.com