Remove some horrid translation artefacts from German translation. Remove unnecessary end tags. Add new translations.
Merge branch 'master' of github.com:singularity-viewer/SingularityViewer
Update the changes to the German translation after merge.
German translation: Remove entries that don't actually translate anything. Add new translateable strings that the parser missed before.
Merge branch 'master' of https://github.com/MelanieT/SingularityViewer