Added instructor SQL scripts
Added instructor classes/mappers

Added instructor class and filled it up.
Added instructorBooking class and filled it up.
Added instructorMapper without code.
Added instructorBookingMapper without code.
Merge branch 'master' into instructor_implementation
Implemented instructor "schedule"

Added mapper tests.
Update SQL script.
Updated fixtures.
Added relevant methods in relevant classes.
Merge branch 'instructor_implementation'

Conflicts:
	src/domain/Controller.java