3 new aggregators, better input plugins and packaging; and better config method

inputs

better pickle input #174
better amqp input options #168, update amqp library 3e87664
kafka input logging fixes #188

config

more proper config format so you don't have to use init commands. #183

aggregations

add last, delta and stdev aggregator #191, #194

packaging

Add tmpfiles.d config for deb package #179
prevent erasing of configs #181
add root certs to docker container for better grafanaCloud experience #180