Fixed all preference options pointing to one option.

Somehow during the refactoring, I managed to link all the options to @user.facebook_contact, thus changing one, changing all. -5 pts, Bert, for missing this is the pull request. Just kidding, ofc.
Merge pull request #60 from tmcyf/preference-options-hf

Fixed all preference options pointing to one option.
Merge branch 'master' into production