update russian translation
merge some of https://github.com/tux3/qTox/pull/642
small change
Merge branch 'pr651'
error: target not found: vpx
Merge branch 'pr652'
Merge branch 'pr643'
Warn user if we try to use DNS with a SOCKS5 proxy

Ask if we really want to do a DNS request, without the proxy

Fixes #627
threadify file logger