Rename booking component to StudentControls.
This is more fitting with what this component was ultimately designed to be, the methods that would fulfill the requirements of the system surrounding student users.
Merge branch 'master' of https://github.com/nadvamir/GU-PSD3-Team-M
Refactoring CourseManager Component.
Separated implementation as per Tim's feedback, also renamed package for similar reasons to the renaming of Booking package.
Merge branch 'master' of https://github.com/nadvamir/GU-PSD3-Team-M