support label management on firfox
support label management on firfox

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