svn: Fix failure of commit to edit a hangul file.
svn: Fix failure of commit to edit a hangul file.

Problem: A commit to edit a file named in hangul always fails.

Solution: Encode uri to the file to be commited, by SVNEncodingUtil.

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