updated to work with spree >= 1.0.0
trying routes/templates
added another item to admin config
new tab points to email settings page
replaced 'new tab' with translation for email templates
route to edit page fixed and named, use the *_path
reorganized and added edit page with same format as other config pages
placeholder...page now looks 'right'
better i18n
don't know about backwards compatibility, just use 2