some New and some old

Added some new stuff (mainly the fix for the "new" ranks suffixes) and
removed some uneeded bits.
Also changed the gemfile so it will work on Windows too.

db/migrate/02_create_users.rb

@@ -14,6 +14,10 @@ class CreateUsers < ActiveRecord::Migration
       t.string     :youtube_channelname
       t.string     :twitter
       t.boolean    :donor, default: false
+      t.boolean    :retired, default: false
+      t.boolean    :mit, default: false
+      t.boolean    :dev, default: false
+      t.boolean    :lead, default: false
       t.string     :email_token
       t.boolean    :confirmed, default: false
       t.datetime   :last_seen