Russian update.
Fix expression.

(31 * 24 * 60 * 60 * 1000) evaluates to an int and results in only 18 days.
Disallow changing ECDSA key. Which means disallow downgrading before 1449, since it'd be recreated.
Remove support for negType 7. Remove DiffieHellman support: connection setup always uses ECDH now.
Remove redundant array creations.
expose message & cause constructor
Node.staticLocation config option prevents the node from moving or swapping locations
MARK: possible location parsing bug
Node.foafXeno avoids an opennet connection with mutual friends
disable xenophobic logic for overloaded links
FOAF Locations take up much less vertical space in connections view