Add Administrateurs role and his connexion is ok.

db/migrate/20151023132121_devise_create_administrateurs.rb

@@ -0,0 +1,42 @@
+class DeviseCreateAdministrateurs < ActiveRecord::Migration
+  def change
+    create_table(:administrateurs) do |t|
+      ## Database authenticatable
+      t.string :email,              null: false, default: ""
+      t.string :encrypted_password, null: false, default: ""
+
+      ## Recoverable
+      t.string   :reset_password_token
+      t.datetime :reset_password_sent_at
+
+      ## Rememberable
+      t.datetime :remember_created_at
+
+      ## Trackable
+      t.integer  :sign_in_count, default: 0, null: false
+      t.datetime :current_sign_in_at
+      t.datetime :last_sign_in_at
+      t.inet     :current_sign_in_ip
+      t.inet     :last_sign_in_ip
+
+      ## Confirmable
+      # t.string   :confirmation_token
+      # t.datetime :confirmed_at
+      # t.datetime :confirmation_sent_at
+      # t.string   :unconfirmed_email # Only if using reconfirmable
+
+      ## Lockable
+      # t.integer  :failed_attempts, default: 0, null: false # Only if lock strategy is :failed_attempts
+      # t.string   :unlock_token # Only if unlock strategy is :email or :both
+      # t.datetime :locked_at
+
+
+      t.timestamps
+    end
+
+    add_index :administrateurs, :email,                unique: true
+    add_index :administrateurs, :reset_password_token, unique: true
+    # add_index :administrateurs, :confirmation_token,   unique: true
+    # add_index :administrateurs, :unlock_token,         unique: true
+  end
+end

db/schema.rb

@@ -11,11 +11,29 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20151008090835) do
+ActiveRecord::Schema.define(version: 20151023132121) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
+  create_table "administrateurs", force: :cascade do |t|
+    t.string   "email",                  default: "", null: false
+    t.string   "encrypted_password",     default: "", null: false
+    t.string   "reset_password_token"
+    t.datetime "reset_password_sent_at"
+    t.datetime "remember_created_at"
+    t.integer  "sign_in_count",          default: 0,  null: false
+    t.datetime "current_sign_in_at"
+    t.datetime "last_sign_in_at"
+    t.inet     "current_sign_in_ip"
+    t.inet     "last_sign_in_ip"
+    t.datetime "created_at"
+    t.datetime "updated_at"
+  end
+
+  add_index "administrateurs", ["email"], name: "index_administrateurs_on_email", unique: true, using: :btree
+  add_index "administrateurs", ["reset_password_token"], name: "index_administrateurs_on_reset_password_token", unique: true, using: :btree
+
   create_table "cerfas", force: :cascade do |t|
     t.string  "content"
     t.integer "dossier_id"