added new function to display reports by course schedule
change ion get student stregth and handle paypal response function
added batch_selected in the queries
added a new function read_all_course_registration_order_by_batch_schedule to read all registrations according to batches for all courses
changes done for to handle batch selected
added a new view page to display reports course wise
change in different views for to handle the selected batch issue
change to handle selected batch issue
change in the script to handle the change event of training class schedule dropdown