Preferred name logging update (#19)
* Update preferred_name_logging.php
Some refactoring and needed adjustments to satisfy request from @bmcutler in PR Submitty/Submitty#4153
* Update preferred_name_logging.php
WIP
* Update preferred_name_logging.php
WIP
* Update preferred_name_logging.php
Better integration and improved error logging
* Update preferred_name_logging.php
WIP
* Update preferred_name_logging.php
WIP
* Update readme.md
WIP
* Update readme.md
WIP
* Update readme.md
WIP
* Update preferred_name_logging.php
WIP
* Update readme.md and preferred_name_logging.php
WIP
* Update preferred_name_logging.php
WIP
* Update
WIP
* Update preferred_name_logging.php
WIP (correct spacing of log output)
