Hard fail back to md5sum if md5 command does NOT exist.
Actually use the MYSQL_PASSWORD env in the bootstrap script.
Merge pull request #203 from memborsky/mysql-password

Actually use the MYSQL_PASSWORD env in the bootstrap script.
Merge pull request #204 from memborsky/md5sum-hard-fail

Hard fail back to md5sum if md5 command does NOT exist.
Allow the user to input a database username/password combo for the play instance during setup. We also set the privs to allow them to login via localhost only.
Database username/password during bootstrap/setup.