README: Change
authorng0 <contact.ng0@cryptolab.net>
Mon, 16 Jan 2017 12:17:43 +0000 (12:17 +0000)
committerng0 <contact.ng0@cryptolab.net>
Mon, 16 Jan 2017 12:17:43 +0000 (12:17 +0000)
commit06a3136e27109c317d20c28049ac55c47e2e05d9
treede7a9216b7b05d454848761334af3f69110c9513
parent1cd8dfd4aa8312fae7602a0951f291e89ee68c16
README: Change
adduser gnunet gnunet
to
adduser --system --home "/var/lib/gnunet" --group gnunet

In sync with what is recommended later on in the README (use of /var/lib),
as suggested by adfeno in freenode.
README