Auto merge of #80 - mrmonday:update-readme, r=mrmonday
Auto merge of #80 - mrmonday:update-readme, r=mrmonday

Remove information about `old_packet` from the README.


mrmonday/libpnet,tempbottle/libpnet,symphorien/libpnet,david415/libpnet,little-dude/libpnet,fsck/libpnet,libpnet/libpnet,symphorien/libpnet,libpnet/libpnet,tempbottle/libpnet,little-dude/libpnet,fsck/libpnet,tempbottle/libpnet,returntoreality/libpnet,david415/libpnet,returntoreality/libpnet,little-dude/libpnet,symphorien/libpnet,mrmonday/libpnet,libpnet/libpnet,tempbottle/libpnet,david415/libpnet,mrmonday/libpnet,libpnet/libpnet,symphorien/libpnet,little-dude/libpnet,returntoreality/libpnet,returntoreality/libpnet,mrmonday/libpnet,fsck/libpnet,david415/libpnet,fsck/libpnet