Adding two new fields and update the harvard courses feature.
Change the name of the field and update the semester timestamp when need.
Add small comment.
Updat the view.
Create a better way to create update hooks for nodes.
Set the query and iterator callback for update the harvard courses.
Another approache for the update.
More work on the update path
Fixing the upgrade path.
Minor fix.
Increase number of batches.
Remove un-used file.
Re-trigger tests.
Revert "Remove un-used file."

This reverts commit 438c9ffbb6523367a39c4adf440bab57c69d962a.
Dowgrade to feature 1
Change the name of the variable.
Fixing the harvard courses.
Order course titles.
Minor cleanups.
Merge pull request #6563 from openscholar/6475-order-courses

Order the courses by the time semester of their calendar period.