Create an exception for 'UCF IT' in phonebook_fix_name_case()

[cadie]

Describe the bug
UCF IT is not capitalized correctly when printed here: https://github.com/UCF/Main-Site-Theme/blob/master/includes/phonebook-functions.php#L312.

Steps to Reproduce

1. Go to https://www.ucf.edu/phonebook/?query=UCF+IT#phonebook-organizations
2. Look at how UCF IT is listed after "A division of:"

Expected Behavior
The 't' in UCF IT should be capitalized.

Possible Fix
We should be able to add an exception for it in this function:
https://github.com/UCF/Main-Site-Theme/blob/master/includes/phonebook-functions.php#L436