adding an sql script for sanitizing the prod mysql db
setting pass to an empty string, removing truncate
pass back to null
syntax
syntax
adding student_passwordhistory
adding logic to clean the cloned db
removing python-msql task
running update db users locally
fixing help for security-group
updating boto
Merge pull request #1052 from edx/jarv/add-clone-db

adding an sql script for sanitizing the prod mysql db