Get details about the current Continuous Integration environment

 Lets you check whether you are running in a continuous integration server
 and fetches the name of the CI service.
 Supported CI:
 Travis CI, CircleCI, Jenkins CI, Hudson,
 Bamboo by Atlassian, TeamCity by JetBrains,
 Team Foundation Server by Microsoft,
 GitLab CI, Codeship, Drone, Magnum CI,
 Semaphore, AppVeyor, Buildkite,
 TaskCluster, GoCD, Bitbucket Pipelines