Add functionality to generate new certificates for each authn reqeust and response.
Added a file for cert generation and updated gitignore.
Merge
Merge pull request #85 from DataDog/master

update MetadataStore._providers() to use parameter instead of hardcoded str
Added code to retrieve certificate.
Merge remote-tracking branch 'upstream/master'
Removed dirty changes.
Merge pull request #86 from HaToHo/master

Added certificate generation