[WIP] Root MenuNode to be replaced with Menu

- Integrated editor for children nodes, or "items"

Both menu and node menu admins work now

Fixed error

Fixed translations

Attempting to get breadcrumb working

Fixed breadcrumb

Fixed base path form type

Basic functional testing

Fixed translations

Added mapping for menu stuff

Fixed routing file

Updated CHANGELOG.md

Removed useless test and replaced with incomplete

More stuff
Merge pull request #58 from dantleech/menu-doc

[WIP] Root MenuNode to be replaced with Menu