default first time sort by desc
add delete button for course
course deletion from direct delete to pending delete and delete in background
individual user summary page
training status code answers group by students and code table collapsable
better alignment for manage students page
migration, add pending_deletion for user and course table
add delete user background job
flash error in layout page
filter user by role, and user removal
Merge branch 'development' of github.com:Coursemology/coursemology.org into dev/raymoond_dev