Changes in database.conf.dist from Release 2.4.1 to 2.4.5

• new: define path to mysql and mysqldump for archive and restore

     # kinda hacky, but needed for table dumping
      mysql_path     => $externalPrograms{mysql},
      mysqldump_path => $externalPrograms{mysqldump},

• new: gateway quiz data item

      setting => {
              record => "WeBWorK::DB::Record::Setting",
              schema => "WeBWorK::DB::Schema::NewSQL::Std",
              driver => "WeBWorK::DB::Driver::SQL",
              source => $database_dsn,
              params => { %sqlParams,
                      tableOverride => "${courseName}_setting"
              },
      },