Results 5 issues of Lior Zeno

Hello, The repository is in maintenance mode, and currently the elasticsearch framework still lakes core features, giving no substantial added value over the alternative of running the cluster in docker...

Hi, I have a couple of questions: 1. Can the scheduler automatically increase or decrease the number of brokers? Ref: https://mesosphere.com/blog/2015/07/16/making-apache-kafka-elastic-with-apache-mesos/ 2. Do you support mesos persistent volumes?

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This PR bumps elasticsearch version to 5.1.1. The code is ready for review (the code compiles and passes all unit tests). This PR resolves issue #108