Changes to viewing a schedule
Merge branch 'master' of https://github.com/utwente-di/di20

Conflicts:
	src/main/java/di20/rooster/Database.java
	src/main/webapp/employee_schedule.jsp
	src/main/webapp/includes/header_c.jsp
Merge branch 'master' of https://github.com/utwente-di/di20