Setup testing infrastructure

[billota]

Feature tasks:

• Add testing profile - Add testing profile #34
• Fix failing tests - Fix failing tests #27
• Fix lint errors - Fix lint errors #41
• Setup Travis CI Docker to install and run Mesos - Setup Travis CI Docker to install and run Mesos #37
• Utilize TravisCI Mesos dockerfile for local testing - Utilize TravisCI Mesos dockerfile for local testing #38
• Create example unit, integration, and system tests - Create example unit, integration, and system tests #39

Part of epic #2

[hromagnum]

Done!