update copyright date 2006->2007 darcs-hash:20070527203458-5007d-80f992bc5501d433301d462f9d4b0f5f8403b7a1.gz
copyright notices/updates darcs-hash:20060723064753-5007d-e1917a77b2f86898c05160d112fe2ab0a7af12b2.gz
initial import darcs-hash:20051212072316-5007d-b2da724d7a4090bc581c289fdec49c2a295abbdc.gz