Upgrade to version 3.5.4
* Added: Added option to turn on and off Daily Audit report
* Updated: Updated the firewall rules version
* Fixed: Fixed a minor warning bug in the installer for checking country database
* Fixed: Fixed a minor warning bug in the getSafeBrowsingStatus function in the Audit class
* Enhancement: Improved the virus scanning function to reduce overall memory usage
* Enhancement: Improved Configuration model to avoid warning errors in PHP strict mode
* Enhancement: Improved CountryBlock model to avoid warning errors in PHP strict mode
* Enhancement: Improved CountryBlock class to reduce duplicated download of SQL files if it has been downloaded
* Enhancement: Improved Variable function to work with both Joomla and Wordpress
* Enhancement: Improved ClamD class to avoid warning errors in PHP strict mode
* Enhancement: Improved Firewall Statistics class to work with both Joomla and Wordpress
* Enhancement: Improved getSafeBrowsingStatus function to avoid warning errors in PHP strict mode
* Removed: API Key in configuration section depreciated since this version.

git-svn-id: https://plugins.svn.wordpress.org/ose-firewall/trunk@949242 b8457f37-d9ea-0310-8a92-e5e31aec5664