Empathy supports SSL/TLS and Proxyies

Support is provided through libsoup which can e.g. be configured in GNOME's control center. I don't knowh whether it works on other platforms (Epiphany on Windows?). I doubt Epiphany is safe to use via Tor so I left a ›?‹ there.
Merge pull request #126 from genodeftest/patch-1

Empathy supports SSL/TLS and Proxyies