Update UserIdentity.php

fix typo
Merge pull request #266 from d-dolzhenko/patch-1

Update UserIdentity.php
Updated translations (translate.humhub.org)
Added Norwegian Bokmål (nb_no) language files
add the zh_cn language
Update i18n.php

Add the zh_cn files.
Merge pull request #272 from weisonma/master

add the zh_cn language
Update _defaults.php

Add the zh_cn language
Merge pull request #273 from weisonma/master

Update _defaults.php
Fixed spelling issue
Merge pull request #5 from humhub/master

Merge updates