Refactor: Change Config::get to Config::ValueOf

api/index.php

app/admin/api/edit-result.php

app/admin/api/index.php

app/admin/import-export/generate-mysql.php

app/install/install_automatic.php

app/install/install_manual.php

app/install/install_mysqlimport.php

app/login/captchashow.php

app/tools/circuits/all-circuits-map.php

...circuits/logical-circuits/logical-circuit-details-map.php

app/tools/circuits/physical-circuits/circuit-details-map.php

app/tools/customers/customer/map.php

app/tools/locations/all-locations-map.php

app/tools/locations/single-location-map.php

app/tools/tools-menu-config.php

functions/classes/class.Common.php

functions/classes/class.Config.php

functions/classes/class.Install.php

functions/classes/class.Mail.php

functions/classes/class.PDO.php