Add initial chefspec files

This commit adds the initial ChefSpec files to the cookbook.
Add travis ci

This commit adds the necessary files for travis ci.
Add travis ci build status to README.md

This commit adds the build status to the README.me
Remove brackets in build status url

This commit removes the brackets in the build status url.
Merge pull request #7 from WideEyeLabs/Add-ChefSpec

#4 - Add chef spec