Add WT_Filter class from master
Add CSRF checks to admin/user page

Conflicts:
	admin_users.php
	js/webtrees-1.4.2.js
	library/WT/Controller/Page.php
PHP5.2 compatibility
Version number - this is not a release
Add CSRF checks to inline editing

Conflicts:
	includes/functions/functions_edit.php
Do not allow HTML media files - risk of XSS attacks
PHP5.2 compatibility
Add CSRF checks to user-edit page