Merge pull request #67 from jkuk/master

updated compareTo method for course
Fixed small error with the toggle-button text and improved the layout of InstructorPanel and CoursePanel display.
Merge pull request #68 from RichardHayesMassbay/master

Fixed small error with the toggle-button text and improved the layout of InstructorPanel and CoursePanel display.
Fixed an error with an if statement in CoursePanel.
Merge pull request #69 from RichardHayesMassbay/master

Fixed an error with an if statement in CoursePanel.
Fixed CoursePanel to display the days for the selected course.
Merge pull request #70 from RichardHayesMassbay/master

Fixed CoursePanel to display the days for the selected course.
fixed the unfulfilled requests report