Fixed directory listing by adding index, and added php unit tests
	new file:   API/api/pub/controllers/index.html
	new file:   API/api/pub/index.html
	new file:   API/api/pub/models/index.html
	new file:   API/api/pub/models/tests/UserTest.php
	new file:   API/api/pub/models/tests/index.html