Codesniff cleanup for user status webservice
Code sniff fixes…

* Adding missing doc blocks
* Re-formatted code for line breaks & curly braces on wrong lines
* Added a few @todo tags for issues I spotted - Will convert these to Jira issues when I'm next connected
* Replaced tabs with spaces in certain places
* Added missing spaces after function argument commas
* Moved a comment that appeared to have been displaced from what it referred to by additional code
Codesniff cleanup for Defensio class
Codesniff cleanup for Events library class
Fix notice that was happening when an access token is not passed in with $_GET.
If username is provided but blank, return empty comment structure.

JOINDIN-139
Codesniffer fixes for the add comment web service
Codesniff fixs for the talk claim webservice code
Codesniff fixes for the talk delete comment web service code
Codesniff fixes for the talk getcomments web service code
Codesniff cleanup for the talk getdetail web service code
Codesniff fixes for event Addadmin.php
Codesniff fixes for event/Addcomment.php
Codesniff fixes for event/Addtrack.php
Codesniff fixes for event/Attend.php
Codesniff fixes for event/Claim.php
Codesniff fixes for event/Deletecomment.php
Codesniff fixes for event/Deletetrack.php
Codesniff fixes for event/Getcomments.php
Codesniff fixes for event/Getdetail.php