removed work in progress scripts from master to a new branch

handin_exercise_student_solution.sh

-#!/bin/bash
-
-cp -r ./StudentWorkspace/* /srv/nbgrader/exchange/testrepo/inbound/fred01/

receive_exercises.sh

-#!/bin/bash
-
-cp -r /srv/nbgrader/exchange/testrepo/outbound/* ./StudentWorkspace/

update_source.sh

-#!/bin/bash
-
-rm ~/Documents/testrepo/source/Lesson3/Lesson3Assignment.ipynb
-rm ~/Documents/testrepo/source/Lesson3/.ipynb_checkpoints/*
-
-rm ~/Documents/testrepo/source/Lesson5/*
-rm ~/Documents/testrepo/source/Lesson6/*
-rm ~/Documents/testrepo/source/Lesson7/*
-
-cp ~/Documents/Ported_exerc/Lesson3Assignment.ipynb ~/Documents/testrepo/source/Lesson3/
-cp ~/Documents/Ported_exerc/Lesson5Assignment.ipynb ~/Documents/testrepo/source/Lesson5/
-cp ~/Documents/Ported_exerc/Lesson6Assignment.ipynb ~/Documents/testrepo/source/Lesson6/
-cp ~/Documents/Ported_exerc/Lesson7Assignment.ipynb ~/Documents/testrepo/source/Lesson7/
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