add Impl struct, and use UnoImplPtr to lock destructor.
move all implementation details out of header, into Impl struct.
disable broken SwClient iteration.
make constructor protected, and add factory function CreateXFootnote.
use new XUnoTunnel and XServiceInfo helpers.
clean up the implementation a little.
add Impl struct, and use UnoImplPtr to lock destructor.
move all implementation details out of header, into Impl struct.
use new XUnoTunnel and XServiceInfo helpers.
clean up the implementation a little.
move SwXText from unoobj.hxx to new unotext.hxx.
move SwXBodyText, SwXHeadFootText from unoobj.hxx to new unotextbodyhf.hxx.
move SwXFootnote from unoobj.hxx to new unofootnote.hxx.