2.0.0-beta.7

• Add a "No link" option for fields that are not mandatory, resolves #63
• Add missing field target to GraphQL definition, resolves #80
• Add migration support for fields within matrix and super table fields
• Fix GraphQL type registration
• Fix field displaying empty values if an unpublished element is selected
• Change default enabled status, resolves #76
• Make the field more responsive, see #64