Merge pull request #82 from fjies/development

Version 1.3
Update de.php

typo corrections, rephrased some awkward translations, changed everything to "German Informal" (has been a mixture of formal and informal German before) - File can be copied to de_DE, as well
Merge pull request #83 from SomeDeepBlue/patch-1

Update de.php
Merge branch 'master' into development