ClipboardStore::fetchStorage and fetchStream syntax

[ERDI Gergo <cactus cactus rulez org>]

currently we have

	void setClipboard (in Moniker pasting_moniker,
			   in Moniker linking_moniker);

in Clipboard, but

	void fetchStream (in Moniker       linking_moniker,
			  in PersistStream source);

	void fetchStorage (in Moniker        linking_moniker,
			   in PersistStorage source);

in ClipboardStore. This is fscked up, even with 0 users it has already
caused hard-to-spot problems (CORBA/C being un-typesafe and all).
So if Michael doesn't object, I want to change fetch* to have the source
as the first argument.

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   .--= ULLA! =---------------------.   `We are not here to give users what
   \     http://cactus.rulez.org     \   they want'  -- RMS, at GUADEC 2001
    `---= cactus cactus rulez org =---'
Our lips met passionately - then she closed her legs and broke my glasses.