Finished translation of remaining topics

- Finished remaining translation of untranslated topics
- Corrected some minor mistakes.
Merge pull request #973 from sandrix/master

Finished translation of remaining topics
Allow state of issues to be changed, even if they are in a different subproject than the story. Related to issue #785
Merge pull request #975 from MadEgg/master

Allow state of issues to be changed
Allow wiki formatting for release description (fixes #969)