added reposition function
modified test cases
corrected reposition function
completed test case for reposition method
Merge branch 'reorder-assignments' of https://github.com/clydeli/whiteboard into reorder-assignments
make the assignment order increment with the scope of course
add drag and drop for assignments
add reorder link to the index pages
Updateing copy course to work with gradebook
Reorder assignments thanks to team bug
reformat code