Added getAllProfessors()
Removed static dropdowns, updated buttons, and created a modal for adding additional positions to a course
Modified the student profile modal to include staff/professor comments
A new js file used to fill dropdown lists
A new js file used to obtain a list of all the current courses
A new js file used to obtain a list of all the professors teaching a particular course
A new js file used to obtain a list of all the professors teaching a particular course