add -p/--partition flag to produce command

consume: format key correctly; avoid truncating in case of non-json v…

…alue

Fix birdayz#113

add docker-compose for kafka setup (debugging)

config: add add-eventhub command

group/commit: return error if offset determined from timestamp is -1

fix issue where follow tries to consume from invalid offsets (-1)

return error if wrong proto type was given or loading was not possible

produce: add --partitioner flag for JVM partitioner

goreleaser: fix arch

Merge pull request birdayz#95 from brownds14/tls-connection

Allow TLS connection without client authentication