(MAINT) missing assert_not_match method

- just add alias to assert_no_match
(MAINT) update ec2 tags with 'created_by'

- now tag ec2 instances with Name, department, project,
  jenkins_build_url and created_by
Merge pull request #575 from anodelman/tagging

(MAINT) update ec2 tags with 'created_by'
Merge pull request #574 from anodelman/maint

(MAINT) missing assert_not_match method
(gh-563) Add openstack provider for vagrant hypervisor