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
Add NFS options to Vagrantfile and vagrant instructions.
merged with professor master
merged with professor master
Adding back faculty user id for development purposes

This was lost down the line in a previous commit.
Alertify auto-saved changes for pages.

a swanky "auto-saved" dialog appears now whenever auto-save occurs
Alertify only on page load if auto-save enabled

* Todd feels that the constant notification of auto-save is annoying. Informing the user once should be sufficient.
* Commenting out log message
* Adding a notification message on page load if auto save is enabled
alertify message for autosaving in peer evaluation
Bug fix: before, the student could only receive one final grade for all courses. When final grade was set, the course number was not passed, just the -1 assignment id which is not unique across courses.
Renamed file
cleanup
Removing salt.yml and using environment variables instead
Adding flag to skip the deliverable attachement test on build machine.

* Travis doesn't have the AWS keys and we test this locally