. Adding Registration Close and Program capacity.
. Adding full-time teacher option.
. Adding scheduling for full time teacher.
. Adding option to allow scheduling of full-time teacher in other zone - added role full_time_teacher_scheduler
. Allowing teacher to be added as main, or co-teacher
. Adding additional notifications
. Fixing how notifications are sent to specific teacher
. Fixing misc bugs
Misc fixes for program registration_close and teacher_schedule travel state