Split SQL set for testing

The SQL set is useful to create a local development environment. If the
SQL set is stored in a file, we don't need to copy & paste from
.travis.yml. We just run the following command:

    % mysql -u root < data/test/setup.sql
Merge pull request #267 from project-hatohol/split-test-setup-sql

Split SQL set for testing.
This it a smart way!