Revert "[#1929] no capitalization in mysql database names"

This reverts commit b398aa6b9cee6c23c7231d05494632f0cd989705.

As per configuration instructions...
  https://www.irods.org/index.php/MySQL

We are expected to have case sensitivity turned on, along with a few
other things.  A standard install of MySQL will not work with iRODS
at this time.