* bugfix: refactored `get_term` and `wp_get_object_terms` filters to get rid of PHP warnings (thanks to _stevenvd_ and _miso00_ for reporting this)

git-svn-id: https://plugins.svn.wordpress.org/im8-qtranslate-woocommerce/trunk@864711 b8457f37-d9ea-0310-8a92-e5e31aec5664
* added filters for shipping and subtotal display
* added filters for gateway texts (also used for emails)
* adapted filters for tax texts
* compatible up to WooCommerce 2.1.3

git-svn-id: https://plugins.svn.wordpress.org/im8-qtranslate-woocommerce/trunk@867058 b8457f37-d9ea-0310-8a92-e5e31aec5664