Improve encoding dir in rssListNamespace()
add date sort option for list mode of feed
PHPDocs for common.php
add replacements to event data of COMMON_NOTIFY_ADDRESSLIST
phpdocs, fallthrough, unused var in common.php
Phpdocs
PHPdocs changelog
getNS returns empty string instead of false
PHPdocs pageutils
change getNS output check to empty string as well
translation update
Merge pull request #734 from dokuwiki-translate/lang_update_65

Translation update (nl)
removed unset $cache parameter in _audio _video #698
reformatting
more reformatting
added doc blocks to all functions in renderer
added doc blocks for xhtml renderer
added short comment on how a renderer works
updated doc blocks in metadata renderer
simplified abstract caoturing in metadata renderer