Update Italian; stylesheet bug fix.

git-svn-id: https://plugins.svn.wordpress.org/wp-accessibility/trunk@931359 b8457f37-d9ea-0310-8a92-e5e31aec5664
Shift to 1.3.3

git-svn-id: https://plugins.svn.wordpress.org/wp-accessibility/trunk@931363 b8457f37-d9ea-0310-8a92-e5e31aec5664