Add More Body Classes

"Add More Body Classes" adds classes to the body tag. The tags added are

• locale-[locale]: ex.) locale-ja for Japanese sites, locale-en-US for default English sites.
• page slug: page-slug-[slug]: ex.) page-slug-about for about page.
• post type slug: ex.) testimonial-slug-nobil for a singular( 'testimonial' ) page with post_name "nobil".