Update README.md to use godoc2md, and fix the base help command.
Merge pull request #8 from howbazaar/fix-supercommand-help

Update README.md to use godoc2md, and fix the base help command.
s/LICENCE/LICENSE/
s/AGPL/LGPLv3/
Change the license to LGPL.
Add the license to the makefile.
Merge pull request #9 from howbazaar/fix-licence

Fix license to be LGPLv3