Add IRC nick to the Person page

app/models/person.rb

@@ -1,5 +1,5 @@
 class Person < ActiveRecord::Base
-  attr_accessible :email, :first_name, :last_name, :public_name, :biography, :company, :avatar
+  attr_accessible :email, :first_name, :last_name, :public_name, :biography, :company, :avatar, :irc_nickname
 
   has_many :event_people, :dependent => :destroy
   has_many :events, :through => :event_people, :uniq => true

app/views/devise/registrations/edit.html.haml

@@ -4,6 +4,7 @@
       = f.inputs :name => "Profile" do
         = f.fields_for :person do |p|
           = p.inputs :first_name, :last_name, :public_name
+          = p.input :irc_nickname, :label => "IRC nick:"
           = p.input :company, :label => "Affiliation", :hint => "This could be a company, a user group, or nothing at all."
           = image_tag current_user.person.avatar(:small)
           = p.input :avatar, :label => "Picture", :hint => "Upload a new picture."