Added support for Tails

If TorBirdy is running on Tails, allow the automatic configuration
wizard (and disable our manual configuration overlay) since Tails
handles that on its own. For more information, see:
https://tails.boum.org/todo/Return_of_Icedove__63__/#index6h2
Merge pull request #9 from kartikm/master

Do not include Makefile in Package/Binary.
Update the ChangeLog and disable "Get new account"
Merge branch 'master' of github.com:ioerror/torbirdy
Update Arabic translation
Update Italian translation
Update Dutch translation
Update Punjabi translation
Add placeholders for incomplete translations
Update screenshot (Privacy Settings)