Mesos-Modules-Dev docker image.

Improved docker for building mesos modules. Tested as a base for building Serenity.

Dockerhub: bplotka/mesos-modules-dev

Usage:

Use this Dockerfile or just pull it from dockerhub:

    docker pull bplotka/mesos-modules-dev

Improvement details:

Based on: mesosphere/mesos-modules-dev

1. Clang compiler installed.
2. Vim editor installed.
3. Checkouted to different Mesos Version (using tags).
4. Increased multi-threading option in make.