Auto merge of #91 - tschottdorf:readme, r=Hoverbear
Auto merge of #91 - tschottdorf:readme, r=Hoverbear

update example section

previously the example was missing an argument.
expanded slightly to cover the multi-node case.

danburkert/raft,tschottdorf/raft,achanda/raft,frewsxcv/raft-rs,danburkert/raft,placrosse/raft,Hoverbear/raft,frewsxcv/raft-rs,Hoverbear/raft,tschottdorf/raft,tempbottle/raft-1