Check that H2 console works out of the box when also using Spring Security

[wilkinsona]

http://stackoverflow.com/questions/40165915/why-does-the-h2-console-in-spring-boot-show-a-blank-screen-after-logging-in

[snicoll]

For the record, we have this customization in a sample app.

[sashokbg]

Same problem here. I have .csrf().disable() and h2 console is white screen

[wilkinsona]

This is superseded by #10435.