docs: update play framework 2.2 migration document
docs: update play framework 2.2 migration document

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