put error notification into notification service
added faq for srv records
Update spanish translations
Update spanish translations
Update german translations
Update basque translation
Merge pull request #694 from beriain/development

Update basque translation
Merge pull request #692 from kriztan/patch-3

Update german translations
Merge pull request #691 from kruks23/development

Update spanish translation
some saftey checks before registering listeners in XmppActivity
sent read marker to full jid
Remove broken / unused imports