Update src/com/decad3nce/aegis/PhoneTrackerActivity.java

Localized two strings
Added two new strings
Merge branch 'untranslated-strings' of github.com:pgschk/Aegis into untranslated-strings
Update res/values-de/strings.xml
Merge pull request #46 from pgschk/untranslated-strings

Untranslated strings in PhoneTrackerActivity.java