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 #587 from sulu-cmf/feature/helper-address-string

[FEATURE] added helper function for address string conversion; added collection for account contacts
Added some feature contexts
AdminBundle
CategoryBundle
Added change_language feature to admin
Contact bundle tests
Smart content and internal links
Intrenal links
password, phone and url
Checkbox, color date, email, and time. ContentBundle finished
CoreBundle tests

@todo: ckeditor text_editor field
Added text_editor test