Set up main dependencies testing environment

Set up the `mocha` and `should` dependencies in the package.json file.
Made everything Travis CI ready.

Signed-off-by: Martin Jorn Rogalla <martin@martinrogalla.com>
Updated the README to show build status

Updated and moved some text around in the readme. The readme now
displays the most recent build status of the project.

Signed-off-by: Martin Jorn Rogalla <martin@martinrogalla.com>
Merge pull request #4 from MartinRogalla/TestingEnvironment

Set up basic Continuous Integration Environment with Travis-CI.