ENHANCEMENT: Support Autmatted Execution of secure_zenoss.sh

[dpetzel]

If you are automating installations the manual prompt for "Configure a secure MySQL root password? [Yn]: " can get in the way.

At the very least something like --no-secure should be supported so that if you don't want to secure mysql (IE a dev workstation or something).

Being able to actually sure via the command line might also be valuable