51b5334126
- Allows for duplicate e-mail addresses in member section by opt-in (requiresUniqueEmail="false" in web.config/membership/providers/"UmbracoMembershipProvider"). - Fixes issues with backoffice not checking for duplicate emails when changing member after creation. - Lower cases email addresses upon creating member and when searching to prevent duplicates. - Added Member.GetMembersByEmail to get alle members with specific email