change json-file filename

[jeremymv2]

Description

Changes timestamp format so that filename does not contain colon which causes errors on Windows.

irb(main):027:0> "inspec-#{Time.now.strftime('%Y%m%d%H%M%S')}.json"
=> "inspec-20161202230551.json"
irb(main):028:0>

Issues Resolved

#173

Check List

• All tests pass. See https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/TESTING.MD
• New functionality includes testing.
• New functionality has been documented in the README if applicable
• All commits have been signed for the Developer Certificate of Origin. See https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/CONTRIBUTING.MD

Signed-off-by: Jeremy J. Miller jm@chef.io

[chris-rock]

Awesome @jeremymv2