David Ward

Change an association's type

1

### Feature story ``` Feature: Change association type As an editor I want to change the type of an association So that it can be corrected without having to remove...

fix root node deprecation in symfony-config > 4.1

2

Symfony 4.2 deprecates constructing a `TreeBuilder` without passing root node information. This adds a backwards-compatible change to remove the deprecation. ref https://github.com/symfony/symfony/blob/master/UPGRADE-4.2.md#config