made httpconnection accept aes encrypted files
Update strings.xml
small bug fixes for the conversation activity
Merge pull request #577 from beriain/development

Update strings.xml for 0.8
ability to download pgp encrypted files over http as well
Merge branch 'development' of github.com:siacs/Conversations into development
Update Spanish Translations
context menu for messages. allow to resend single messages
Merge pull request #581 from kruks23/translation7

Update Spanish Translations