Make Rui Bi's branch as master branch

Conflicts:
	CourseRegistrationService/pom.xml

CourseRegistrationService/target/CourseRegistrationService-1.0-SNAPSHOT.
war
	CourseRegistrationService/target/maven-archiver/pom.properties

CourseRegistrationService/target/maven-status/maven-compiler-plugin/comp
ile/default-compile/createdFiles.lst

CourseRegistrationService/target/maven-status/maven-compiler-plugin/comp
ile/default-compile/inputFiles.lst

CourseRegistrationService/target/surefire-reports/TEST-com.upittis2739.c
ourseregistration.test.MessageQueueJUnitTest.xml

CourseRegistrationService/target/surefire-reports/com.upittis2739.course
registration.test.MessageQueueJUnitTest.txt