added method generated hostname fo asset
added support for ISO-3166 (alpha-2, alpha-3)
Merge branch 'develop' into 314-generate-hostname
fixed import error
Link to search releated fields objects - assigned assets for support
added test
Merge branch 'develop' into 314-generate-hostname
 after review
Better join ids in generation search link
Merge pull request #333 from ar4s/308-xls-update-error

Fixed import error
Merge pull request #334 from quamilek/feature/search-link

Link to search releated fields objects - assigned assets for support
Fix UnicodeEncodeError - download history transition file.
Fix ValueError - in user details views.
changed generate hostname
Merge branch 'develop' into 314-generate-hostname
fix docs
Removed needless title underscores

Removed needless title underscores
Merge pull request #339 from kula1922/feature/fix-docs

fix docs
added documentation
after review
Update transition.py