Italian translation: update
fixes #707
Merge branch 'pr705'
Merge branch 'pr708'
HistoryKeeper::getChatHistory(..): fix in sql statement
Merge branch 'pr710'
Compat with toxcore: New groupchats

Text only is supported for now
Fix crash when re-adding friend

Blatant lack of error handling.
Accept and default to AV groupchats

We don't send or play any audio yet, though
Play av groupchat call audio

On the main source. Sue me.
Merge branch 'av_groupchats'
fix #697 (Setting alias isn't persistent for some contacts)
Merge branch 'pr712'
fix ToxID from QString convertation
cleanup setting.ini file after a fiend removing
Merge branch 'pr714'
Start preparing for OS X auto-update

Updates are still disabled by default on OS X, and the public key is likely to change
more robust exporting, fixes #716
Merge branch 'pr721'
Build our Settings after our QApplication, fixes crash on startup

Thanks to @stqism for reporting the crash

This is why global static variables are evil