Adding TemplateTags argument and tag creation
Switch references to klarna/packer-cloudstack to mindjiver/packer-cloudstack
Switch to template_tags for uniformity
Merge pull request #7 from abayer/fix-klarna-to-mindjiver

Switch references to klarna/packer-cloudstack to mindjiver/packer-cloudstack
Merge branch 'add-tags' of https://github.com/abayer/packer-cloudstack into abayer-add-tags
Merge branch 'abayer-add-tags'
Add documentation about environment variables

For certain values, such as API URL, key and secret key, we can export
these as environment values. These will then be used by the build when
performing the API calls towards Cloudstack. So we add some
documentation about this.
Merge pull request #8 from mindjiver/add-documentation-about-environment-variables

Add documentation about environment variables