Merge pull request #874 from yahoo/build-pipeline

create screwdriver build pipeline

Increment version

Override kafka JmxReporter

Increment version

Log zk retry, reduce default to 10

Merge pull request #727 from yahoo/hp-update-kf

Update kafka dependency to 2.4

Update readme

Increment version

Increment version

Merge pull request #627 from yahoo/increment-version

Upgrade dependencies, upgrade version