build.sbt: use YONA_OPTS for Windows OS JAVA env vars
build.sbt: use YONA_OPTS for Windows OS JAVA env vars

doortts/fork-yobi,doortts/fork-yobi,bloodybear/yona,bloodybear/yona,yona-projects/yona,bloodybear/yona,yona-projects/yona,doortts/fork-yobi,bloodybear/yona,yona-projects/yona,yona-projects/yona,doortts/fork-yobi