Move config definitions outside of class block
Move config definitions outside of class block

This fixes a minor issue that causes a clash with the
`migration_table_name` configuration variable for the SeedMigration gem.

mzaccari/rake-task-migrations,mzaccari/rake-migrations,mzaccari/rake-task-migrations,mzaccari/rake-task-migrations,mzaccari/rake-migrations,mzaccari/rake-migrations