Translation update (bn)

* 'lang_update_69' of git://github.com/dokuwiki-translate/dokuwiki:
  translation update

Conflicts:
	lib/plugins/extension/lang/nl/lang.php

* 'lang_update_70' of git://github.com/dokuwiki-translate/dokuwiki:
  translation update

Conflicts:
	lib/plugins/extension/lang/nl/lang.php

Translation update (nl)

Translation update (ja)

Translation update (sk)

fixes fix for FS#2853

Translation update (eo)

Translation update (hu)

Translation update (fr)

replace dir_delete by io_rmdir

PHPDocs improvements and minor improvements feedcreator

fix httputils PHPDocs