fix for the riak-cs.conf example, have CS listen on all interfaces

[cipy]

Change the following lines in /etc/riak-cs/riak-cs.conf

riak-cs.conf
listener = 127.0.0.1:8080
riak_host = 127.0.0.1:8087
stanchion_host = 127.0.0.1:8085
to

riak-cs.conf
listener = 0.0.0.0:8080 <<<--- this instead of 10.0.2.10:8080
riak_host = 10.0.2.10:8087
stanchion_host = 10.0.2.10:8085

[lukebakken]

Relates to #1010