[Fix #1096] task to create new Administrations

lib/tasks/admin.rake

@@ -0,0 +1,12 @@
+namespace :admin do
+  task :create_admin, [:email] => :environment do |t, args|
+    email = args[:email]
+    puts "Creating Administration for #{email}"
+    a = Administration.new(email: email, password: Devise.friendly_token[0,20])
+    if a.save
+      puts "#{a.email} created"
+    else
+      puts "An error occured : #{a.errors.full_messages}"
+    end
+  end
+end