Fix OOF file backend when no SIEVE scripts are there
Merge pull request #97 from sixstone-qq/ejhernandez/fix-oof-file-backend-no-sieve

Fix OOF file backend when no SIEVE scripts are there
Add a script to wipe *every* openchangedb entries for a given user.
Helpful when you want to start over with the same user and have a clean
and fresh mailbox