Version 2019.2-1.3.2

Version 2019.2-1.3.1

It turns out I was wrong and JBR11 isn't required (at least not yet). So
this commit downgrades back to Java 8.

Version 2019.2-1.3.0

Version 2019.1-1.2.23

Update Gradle

Version 2018.3-1.2.21

Version 2018.3-1.2.20

Version 2018.3-1.2.19

Version 2018.3-1.2.18

Version 2018.3-1.2.17