Update LICENSE
Update LICENSE

replaced placeholders with year and copyright owner.
steenzout/python-sphinx,collectdbit/verzamelend,steenzout/flx,steenzout/python-primogen,steenzout/python-kerfi-vangasvipur,steenzout/verzamelend,collectdbit/verzamelend,steenzout/python-kerfi-vangasvipur,steenzout/verzamelend,steenzout/flx