convert from ruby to rvm
convert from ruby to rvm

PENGZhaoqing/CourseSelect,chaojixx/CourseSelect,Software-622-group/FinalWork,HOUYU275/CourseSelect_li,Software-622-group/FinalWork,courseselect/cs,hydrogenlee/CourseSelect,chaojixx/CourseSelect,hydrogenlee/CourseSelect,chaojixx/CourseSelect,jinbaowang/CourseSelect,HOUYU275/CourseSelect_li,jinbaowang/CourseSelect,HOUYU275/CourseSelect_li,PENGZhaoqing/CourseSelect,HOUYU275/CourseSelect_li,jinbaowang/CourseSelect,courseselect/cs,PENGZhaoqing/CourseSelect,Software-622-group/FinalWork,courseselect/cs,hydrogenlee/CourseSelect