commiting waiver approval, user unique check, enrollment controler.
merged latest 3-47 10/21
Merge origin/master

Conflicts:
	yagastudio/src/main/java/cs425/yogastudio/DAO/FacultyDAO.java
	yagastudio/src/main/java/cs425/yogastudio/DAO/UserDAO.java
	yagastudio/src/main/java/cs425/yogastudio/entity/Faculty.java
	yagastudio/src/main/java/cs425/yogastudio/service/UserService.java
	yagastudio/src/main/webapp/WEB-INF/views/customerSignup.jsp
	yagastudio/src/main/webapp/resources/style.css