persian language files

git-svn-id: https://plugins.svn.wordpress.org/pg-fixed-boxes-wp-popup-sidebars/trunk@987028 b8457f37-d9ea-0310-8a92-e5e31aec5664
rtl-style

git-svn-id: https://plugins.svn.wordpress.org/pg-fixed-boxes-wp-popup-sidebars/trunk@987029 b8457f37-d9ea-0310-8a92-e5e31aec5664
easing lib

git-svn-id: https://plugins.svn.wordpress.org/pg-fixed-boxes-wp-popup-sidebars/trunk@987030 b8457f37-d9ea-0310-8a92-e5e31aec5664
new update to main file

git-svn-id: https://plugins.svn.wordpress.org/pg-fixed-boxes-wp-popup-sidebars/trunk@987031 b8457f37-d9ea-0310-8a92-e5e31aec5664