Added 'case' structure in install script to check which shell is used
Added 'case' structure in install script to check which shell is used

EASEA/easea,KevinAuSon/easea,EASEA/easea,EASEA/easea,EASEA/easea,KevinAuSon/easea,EASEA/easea,KevinAuSon/easea,KevinAuSon/easea,EASEA/easea