[Feature:Logging] Preferred name logging sysadmin script (#16)
* Create preferred_name_logging.php
Sysadmin tool portion as part of the logging request under submitty/submitty#3273 ("Preferred name is forgotten/removed without any indication why")
Initial code entry. Testing and tweaking needed. WIP.
* Update preferred_name_logging.php
Psql can generate several logfiles that need to be parsed.
* Update preferred_name_logging.php
WIP
* Update preferred_name_logging.php
WIP
* Update preferred_name_logging.php
WIP
* Update preferred_name_logging.php
WIP
* Update preferred_name_logging.php
PR Candidate
* Delete preferred_name_logging.php~
Unneeded temp file
* Update submitty_student_auto_feed.php
Add AUTH(entication) logging to student auto feed for preferred name change tracking.
* Create readme.md
Instructions on using the preferred name logging tool.
* Update preferred_name_logging.php
Update to log USER_ID token.
