Adds --vagrant-box VAGRANT_BOX option

Issue: #13
Pull Request: #14

Adds --help option

Issue: #11
Pull Request: #12

Adds --verbose option

Issue: #9
Pull Request: #10

Runs test outside of repository's root directory

Issue: #7
Pull Request: #8

Runs test outside of repository's root directory

Issue: #3
Pull Request: #6

• creates a temporary directory,
• copy all the files from the repository to it,
• run all the tests inside this repository
• destroy the vagrant and the temporary directory.

Adds test for idempotency

Issue: #2
Pull Request: #5

Adds test of juliendufresne.influxdb role against ubuntu 16.04

Issue: #1
Pull Request: #4