Added Portoguese (Portugal) localisation files

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-skrill-moneybookers-gateway/trunk@935060 b8457f37-d9ea-0310-8a92-e5e31aec5664
Modified loading of Aelia_WC_RequirementsChecks class to work around quirks of Opcode Caching extensions, such as APC and XCache.

git-svn-id: https://plugins.svn.wordpress.org/woocommerce-skrill-moneybookers-gateway/trunk@935061 b8457f37-d9ea-0310-8a92-e5e31aec5664