added dummy migration files

Conflicts:
	Gemfile
	enju_leaf.gemspec
	spec/dummy/config/environments/test.rb
	spec/dummy/db/schema.rb
	spec/fixtures/items.yml
	spec/fixtures/user_groups.yml
	spec/fixtures/users.yml
added dummy migration files

Conflicts:
	Gemfile
	enju_leaf.gemspec
	spec/dummy/config/environments/test.rb
	spec/dummy/db/schema.rb
	spec/fixtures/user_groups.yml
	spec/fixtures/users.yml
added dummy migration files