added helper function for address string conversion; added collection for account contacts
fixed bug in account contacts collection; catch wrong address format in createAddressString
Merge pull request #594 from sulu-cmf/hotfix/sitemap-alternate

Fixed #588 sitemap alternate link bugs
added changelog
Merge pull request #587 from sulu-cmf/feature/helper-address-string

[FEATURE] added helper function for address string conversion; added collection for account contacts
added context tags for services
added single copy locale api
added concrete-languages to small response
added overlay to choose action before open ghost
added multiple parameter dest locales for copy
added testcase for multiple locales copy
added multiple locales to api
started with copy from to overlay
added grid to overlay
finished copy from/to overlay
fixed overlay style
fixed contentmapper shadow state
added style and disable current selected locale
added translations
added style to new-overlay