Update Play sbt-plugin to 2.0.4
Update Play sbt-plugin to 2.0.4

Limseunghwan/oss,ahb0327/yobi,ahb0327/yobi,yona-projects/yona,bloodybear/yona,yona-projects/yona,oolso/yobi,violetag/demo,naver/yobi,violetag/demo,naver/yobi,ihoneymon/yobi,ahb0327/yobi,oolso/yobi,doortts/fork-yobi,doortts/fork-yobi,bloodybear/yona,yona-projects/yona,doortts/forked-for-history,ihoneymon/yobi,doortts/forked-for-history,ihoneymon/yobi,doortts/fork-yobi,Limseunghwan/oss,doortts/fork-yobi,brainagenet/yobi,ChangsungKim/TestRepository01,brainagenet/yobi,ChangsungKim/TestRepository01,naver/yobi,bloodybear/yona,yona-projects/yona,oolso/yobi,doortts/forked-for-history,Limseunghwan/oss,bloodybear/yona,brainagenet/yobi