Modify GraphHandler to output data points in seconds as it currently does on the
/q endpoint. Millisecond support will only be on /api/query
Modify GraphHandler to automatically downsample on 1s if not explicitly set by
the caller
Modify Plot to convert the ms timestamps back to seconds
Modify PutDataPointRpc.java to accept millisecond timestamps with a period as
an option over the telnet interface
Modify HttpJsonSerializer to output data points in seconds or milliseconds based
on the query flag
Modify QueryRpc to parse the "ms" flag to output in milliseconds