update NOTICEs and other legal bits to reflect changes to Plan 9's licence and confirm MIT-template for Inferno base and revisions
remove LGPL licences and convert remaining GPL/LGPL licences including /NOTICE to MIT form
20110330-0926
20110315-2307
20100822-1358
20100821-1920
20100821-1800
20100801
20100425-1618
20100406-1957
20100406-1101
20100402-2048
20100325-1824
20100325-1016
20100325-1015
20100325-1014
20100325-0926
20100322-1441
20100322-1430
20100313-1504
20100105-2122
last update for 20070202
20061220
20060303a