separated out ip ban logic from regular bans, users can no longer register if an ip ban is in place

test/factories/ip_ban.rb

@@ -0,0 +1,5 @@
+Factory.define(:ip_ban) do |f|
+  f.creator {|x| x.association(:user)}
+  f.reason {Faker::Lorem.words}
+  f.ip_addr "127.0.0.1"
+end

test/factories/user.rb

@@ -5,6 +5,7 @@ Factory.define(:user) do |f|
   f.email {Faker::Internet.email}
   f.default_image_size "medium"
   f.base_upload_limit 10
+  f.ip_addr "127.0.0.1"
 end
 
 Factory.define(:banned_user, :parent => :user) do |f|