Change default vars values to something that does not crash Drupalizer

# Project settings

env.project_name = ''

env.project_name = 'drupalizer-default'

env.workspace = path.join(path.dirname(__file__), path.pardir)

env.locale = False

# Site

env.site_root = '{}/src/drupal'.format(env.workspace)

env.site_name = ''

env.site_name = 'Default Drupalizer'

env.site_environment = 'local'

env.site_profile = ''

env.site_profile = 'standard'

env.site_profile_repo = ''

env.site_profile_makefile = ''

env.site_profile_makefile = 'drupalizer.make'

env.site_profile_branch= '7.x'

env.site_db_user = 'dev'

env.site_db_pass = 'dev'

env.site_db_host = 'localhost'

env.site_db_name = ''

env.site_db_name = 'dev'

env.site_hostname = ''

env.site_admin_user = 'admin'

env.site_admin_pass = 'admin'

env.site_subdir = 'default'

env.site_languages = 'fr'

env.site_languages = ''

# PatternLab

# Hook commands

# Example:

# env.hook_post_install = ['drush fra -y', 'drush cc all']

# env.hook_post_update = ['drush fra -y', 'drush cc all']

env.hook_post_install = ['drush fra -y', 'drush cc all']

env.hook_post_update = ['drush fra -y', 'drush cc all']

env.hook_post_install = []

env.hook_post_update = []

# Target environments definition