Upgrade to netty-http 0.8.0
Unify way to make sure directory exists.
Added AbstractBodyConsumer to simplify implementation of BodyConsumer.
Use BodyConsumer for Dataset addModule REST API.
Make sure test write to tmp directory inside target directory.
Use Location.append instead of “/“ concatenation.
Address review comment.
Make addModule call responds only after the whole request body is received to make sure client can get the 409 conflict status if there is conflict.
Merge pull request #794 from caskdata/hotfix/large-dataset-jar

(CDAP-874) Hotfix/large dataset jar