translation update
Merge pull request #824 from dokuwiki-translate/lang_update_119

Translation update (de)
translation update
Merge pull request #825 from dokuwiki-translate/lang_update_123

Translation update (zh-tw)
updated dates in info.txt of various plugins and template
set canonical URL to root when on start page
Merge pull request #827 from splitbrain/canonical-root

Set canonical URL to root when on start page
translation update
translation update
Merge pull request #832 from dokuwiki-translate/lang_update_128

Translation update (ru)
Merge pull request #831 from dokuwiki-translate/lang_update_127

Translation update (ru)
translation update
Merge pull request #834 from dokuwiki-translate/lang_update_132

Translation update (it)