Make about.html translateable
Make internalerror.html translateable
Make secure.html translateable
Make typography.html translateable
Add translation files for about, internalerror, secure & typography
Add the Dutch translations for about, internalerror, secure and typography
Fix tab size & missing titles
Add line endings
Merge pull request #110 from koenmetsu/master

Translate about, internalerror, secure and typography pages