WordPress 5.0 Testing

[bhubbard]

@antonioortegajr @chadajohnson @csjoblom

Out of the box with debug mode on, we get many notices.

https://screenshots.brandonhubbard.com/eee2211cbc69
https://screenshots.brandonhubbard.com/c0d70804d701
https://screenshots.brandonhubbard.com/e2d6be19adc6
https://screenshots.brandonhubbard.com/3b183b25586a