Revert "Removed old backup files."

This reverts commit 335aa981a796b4a510b34dc29c64cce73e7985d7.
Adding addprompts.py.

Signed-off-by: Jonathan Frederic <jdfreder@calpoly.edu>
Adding tests for add_prompts.

Signed-off-by: Jonathan Frederic <jdfreder@calpoly.edu>
Deleted old backup tex template files
Moved add_prompts into correct location.