Add Xing profile link

Xing is for Germans what LinkedIn is for North Americans.

Signed-off-by: Patrick Kontschak <patrick.kontschak@gmail.com>
Update information about current location

I moved to Germany a few months ago and haven't updated my resume since. I might need to add a German version of this site at some point. :/

Signed-off-by: Patrick Kontschak <patrick.kontschak@gmail.com>