Upgrade to latest form_builder, add clone functionality and fix various bugs - Add clone survey functionality - Upgrade to form_builder v1.3 - Fix form_builder caching issues with overriden questions - When a question is re-used on another survey only its label can be overriden - Fix bugs in handling of survey questions' options - Add length limit to entity machine names - Add question response validation - Replace views plugin with theme hook (for existing questions view block) - Expand hooks - Add indexes to database tables