update hebrew tanslation
Update res/values-de/strings.xml
Update res/values-it/strings.xml

updated translation for new options (system app, device administration)
Merge pull request #34 from yuvalabou/master

update hebrew translation
Merge pull request #35 from pgschk/german-translation

Update res/values-de/strings.xml
Merge pull request #36 from ezio84/patch-3

Update res/values-it/strings.xml