Fix delete-form
Fix create and edit forms
fix FormBase
fix error at save() at EntityForm
update methods to FormStateInterface
change form_state hint type to FormStateInterface
Merge pull request #174 from vacho/forms-entity-content-at-core-8.0.x

Update form_state variables to FormStateInterface hint type in entity content
Merge pull request #175 from dmouse/form-update

Update form_state parameter
change hint type in form entity
Merge pull request #176 from dmouse/form-update

update entity hint type form