This will basically make the root directory a place for storing the
major telegraf interfaces, which will make telegraf's godoc looks quite
a bit nicer. And make it easier for contributors to lookup the few data
types that they actually care about.
closes#564
With the advent of Kafka 0.9.0+ it is possible to set up TLS client
certificate based authentication to limit access to Kafka.
Four new configuration variables are specified for setting up the
authentication. If they're not set the behavior stays the same as
before the change.
closes#541
Cameron Sparr
Jack Zampolin
Hannu Valtonen