Add 1ns delay
Add 1ns delay

Windows does not timeout when the timeout is set to 1Nano sec. This causes TestShardWriter_Write_ErrDialTimeout to fail in Windows.

```go
=== RUN TestShardWriter_Write_ErrDialTimeout
[cluster] 2016/02/10 09:32:30 Starting cluster service
[cluster] 2016/02/10 09:32:30 accept remote connection from 127.0.0.1:57034
[cluster] 2016/02/10 09:32:30 unable to read type-length-value read message type: WSARecv tcp 127.0.0.1:57033: use of closed network connection
[cluster] 2016/02/10 09:32:30 close remote connection from 127.0.0.1:57034
[cluster] 2016/02/10 09:32:30 cluster service accept error: network connection closed
--- FAIL: TestShardWriter_Write_ErrDialTimeout (0.00s)
	shard_writer_test.go:162: expected error <nil>, to contain i/o timeout
```
arussellsaw/influxdb,daachi/influxdb,benbjohnson/influxdb,daachi/influxdb,runner-mei/influxdb,influxdb/influxdb,influxdb/influxdb,nooproblem/influxdb,joaopedrotaveira/influxdb,arussellsaw/influxdb,linearb/influxdb,pkittenis/influxdb,archsaber/influxdb,joaopedrotaveira/influxdb,mnuessler/influxdb,pkittenis/influxdb,otoolep/influxdb,otoolep/influxdb,chenziliang/influxdb,vladlopes/influxdb,nooproblem/influxdb,daachi/influxdb,jipperinbham/influxdb,otoolep/influxdb,archsaber/influxdb,daachi/influxdb,jgeiger/influxdb,mark-rushakoff/influxdb,nooproblem/influxdb,li-ang/influxdb,pkittenis/influxdb,otoolep/influxdb,nooproblem/influxdb,mnuessler/influxdb,jipperinbham/influxdb,pkittenis/influxdb,jonseymour/influxdb,mvadu/influxdb,jonseymour/influxdb,apigee/influxdb,mvadu/influxdb,linearb/influxdb,daachi/influxdb,mark-rushakoff/influxdb,vladlopes/influxdb,jonseymour/influxdb,apigee/influxdb,mvadu/influxdb,influxdata/influxdb,benbjohnson/influxdb,runner-mei/influxdb,otoolep/influxdb,joaopedrotaveira/influxdb,apigee/influxdb,mnuessler/influxdb,mvadu/influxdb,otoolep/influxdb,mark-rushakoff/influxdb,mark-rushakoff/influxdb,archsaber/influxdb,arussellsaw/influxdb,jipperinbham/influxdb,vladlopes/influxdb,jipperinbham/influxdb,apigee/influxdb,nooproblem/influxdb,jgeiger/influxdb,mnuessler/influxdb,benbjohnson/influxdb,pkittenis/influxdb,joaopedrotaveira/influxdb,apigee/influxdb,daachi/influxdb,jgeiger/influxdb,jipperinbham/influxdb,linearb/influxdb,jonseymour/influxdb,influxdb/influxdb,mark-rushakoff/influxdb,runner-mei/influxdb,runner-mei/influxdb,influxdb/influxdb,jonseymour/influxdb,arussellsaw/influxdb,jgeiger/influxdb,jipperinbham/influxdb,chenziliang/influxdb,influxdb/influxdb,jgeiger/influxdb,benbjohnson/influxdb,mnuessler/influxdb,archsaber/influxdb,linearb/influxdb,arussellsaw/influxdb,mvadu/influxdb,pkittenis/influxdb,chenziliang/influxdb,mvadu/influxdb,apigee/influxdb,influxdb/influxdb,mnuessler/influxdb,joaopedrotaveira/influxdb,arussellsaw/influxdb,jgeiger/influxdb,vladlopes/influxdb,mark-rushakoff/influxdb,li-ang/influxdb,jonseymour/influxdb,linearb/influxdb,influxdata/influxdb,chenziliang/influxdb