Merge pull request #970 from marshyski/master

Updated stat networks print output

docs/api.md

@@ -947,7 +947,7 @@ This will stream statistics for a specific container.
 >>> stats_obj = cli.stats('elasticsearch')
 >>> for stat in stats_obj:
 >>>     print(stat)
-{"read":"2015-02-11T21:47:30.49388286+02:00","network":{"rx_bytes":666052,"rx_packets":4409 ...
+{"read":"2015-02-11T21:47:30.49388286+02:00","networks":{"eth0":{"rx_bytes":648,"rx_packets":8 ...
 ...
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