Added the --relay option.

--relay used to pass an insult on to a target via someone else or
  organisational contact.

Updated the "kirsan" option with the first example of this.  Good for
sending messages about politicians without an online presence through
their parties.

Made in response to the introduction of mandatory data retention in
Australia's parliament.  I'll need something to offset the serious
shit that's going down ...
Merge pull request #48 from Hasimir/master

Added the --relay option.