다국어 메세지 셋팅 수정
GitHub Test
Git Test 2
Merge remote-tracking branch 'origin/master'

Conflicts:
	MyHair/src/main/java/com/uiscloud/myhair/repository/JoinRepository.java
	MyHair/src/main/java/com/uiscloud/myhair/service/JoinService.java
	MyHair/src/main/java/com/uiscloud/myhair/service/JoinServiceImpl.java
	MyHair/src/main/resources/messages/message_ko_KR.properties
	MyHair/src/test/java/com/uiscloud/test/service/PersonServiceTest.java