Adding new GA var.
Archive the current state of the virtualenv as a starting point for new builds
Merge pull request #1049 from edx/zoldak/jenkins-reset-venv

Archive the current virtualenv state as a starting point for new builds
A script to clone a database into a vpc using stack-name

There is some work outstanding before this is ready but I believe
it's complete enough to merge.  There will be more logic added
to sanitize and change the db password after the clone is complete
updating description
removing comments
Merge pull request #1050 from edx/jarv/add-clone-db

A script to clone a database into a vpc using stack-name
adding an sql script for sanitizing the prod mysql db
setting pass to an empty string, removing truncate
pass back to null
Merge pull request #1048 from edx/e0d/ga-keys

Adding new GA var.
syntax
syntax
removing json_lint.sh script
Merge pull request #1054 from edx/han/remove-json-lint-script

removing json_lint.sh script
Modify jenkins worker task to run the wheel script to populate the python virtualenv.
adding student_passwordhistory
adding logic to clean the cloned db
removing python-msql task
running update db users locally