added method generated hostname fo asset
added support for ISO-3166 (alpha-2, alpha-3)
Merge branch 'develop' into 314-generate-hostname
Merge branch 'develop' into 314-generate-hostname
changed generate hostname
Merge branch 'develop' into 314-generate-hostname
added documentation
after review
Merge pull request #338 from ar4s/314-generate-hostname

314 generate hostname