FileAddForm made, now and started with steps
FileType list builder and admin routing
Getters and setters in FileTypeInterface.
Getters and setters in FileTypeInterface.
Changed most references to now protected FileType properties, into getter calls.
Change from $type to $id in FileType
Change from $type to $id in FileType
Some FileType forms and routing fixes.
Enable and disable forms
Fixes for CRUD UI tests.

Fixed enable/disable confirm forms.
Removed revert tests.
Entity sorting by status.
Fixed MIME type list saving.
Removed obfuscating test messages from Type test.
Some corrections in FileType test

Still failing due to file add form not yet being completed.
Created custom access controller for File.
Added 4 step File Add form, created single and working on multiple testing.
Merged
Update branch in .travis
FormStateInterface typehints for src/Form, and removed bad createInstance() from FileEntityAccessController.
Finished FileEntityCreationTestCase.php
Updated access logic.
Getting rid of warnings and exceptions for access test.