anchor.diff:  
   The `emailBody` property should be a GString and will have the User domain class instance in scope in the `user` variable, and the generated url to click to finalize the signup in the `url` variable.
   
  -In addition, each new user will be granted `ROLE_USER` after finalizing the registration. If you want to change the default role, add more, or grant no roles at all (for example if you want an admin to approve new users and explicitly enable new users) then you can customize that with the `defaultRoleNames` attribute (which is a List of Strings):
  -
   [source,groovy]
   ----
   grails.plugin.springsecurity.ui.register.defaultRoleNames = [] // no roles
  
positive.code: 
  If you don't specify a value then the `grails.plugin.springsecurity.successHandler.defaultTargetUrl` value will be used, which is `'/'` by default.
  
  You can customize if the user should get e-mail for validation before they can log in for the first time.  To turn off
  e-mail validation set the parameter `requireEmailValidation` to false, if not set it will default to true.  This
  can be set in `grails-app/conf/application.groovy` or `grails-app/conf/application.yml` under
  
negative.code: 
  The post-registration destination url is configurable in `grails-app/conf/application.groovy` using the `postRegisterUrl` attribute:
  
  In addition, each new user will be granted `ROLE_USER` after finalizing the registration. If you want to change the default role, add more, or grant no roles at all (for example if you want an admin to approve new users and explicitly enable new users) then you can customize that with the `defaultRoleNames` attribute (which is a List of Strings):
  
  [source,groovy]
  ----
  grails.plugin.springsecurity.ui.register.postRegisterUrl = '/welcome'
  