merge Spanish translations
merge Russian translation
merge Danish translation
merge Polish translation
merge simplified Chinese translation
merge traditional Chinese translation
merge Farsi translation
merge French translation
merge Arabic translation
merge Latvian translation
merge some Greek translations
merge Dutch translation
merge German translations
[Cengage] remove Calendarwiz rule by webmaster request
merge German translation
merge and slightly fix Portuguese translation
Updated Changelog
Merge branch 'master' into issue9535
Propogate localization to all dtd files.

Translations are still needed.
Remove temporary folder