Wait, PHP does not destroy the session cookie when you call session_destroy().
Fix the text for the standalone PHP SDK application.
This PHP graph method is exactly what the PHP SDK uses. Use the SDK instead!
Normalise the PHP/JS SDK sample.
Sync the code with the PHP SDK sample.
Synchronise the server-side parts of both samples.
Normalise the server-side code for both login samples.
Reformat code.
More code syncing.
Minor clarity fixes.
Partially revert "It is easier to copy and paste code from the HTML instead of the PDF."

This reverts commit 0a35f1704e4734530a4415ab829b56b9ed99c71e.

Conflicts:
	assg-1/cs3216-a1.tex