convert_libraries

I'd be tempted to add libexts ConcBase libexts Storable libexts Exception libexts IORef libexts IOExts libexts LazyST libexts Int libexts Word to src/unix/convert_libraries, but I'm not quite sure I know what I'm doing so I'll yell instead. Could the person responsible for setting up the library conversion scripts (Alastair?) please do a clean checkout of all the necessary sources, in order to verify that the scripts are in order? I've just checked out hugs98, fptools/hslibs and fptools/libraries afresh, and it seems like several modules with the Hugs prefix fail to materialize during `make'. But it could be that I've gotten totally lost in the maze here... -- Johan