Force Java 8
Force Java 8

Fixes #635

(cherry picked from commit 0c8a1bd)

FAForever/downlords-faf-client,micheljung/downlords-faf-client,FAForever/downlords-faf-client,micheljung/downlords-faf-client,FAForever/downlords-faf-client,micheljung/downlords-faf-client