patch applied (ghc): cover more cases; take GHC options on command line

[Simon Marlow]

Sat Sep 16 16:27:55 PDT 2006  Norman Ramsey <nr at eecs.harvard.edu>
  * cover more cases; take GHC options on command line
  Bit of a dog's breakfast here:
    * generate tags for more cases in the syntax
    * accept -package ghc and other args on command line
    * scrub away old code for snaffling thru text

    M ./utils/ghctags/GhcTags.hs -46 +34