CHG - improve en-US lang and site_text translations for expiry->expiration, anti-clockwise->counter-clockwise, and organise->organize

git-svn-id: http://svn.montala.net/svn/resourcespace@4856 c08608d7-6e46-0410-86ca-f2a6f1370df5
added en-US lang translations for embeddocument and embedslideshow plugins

git-svn-id: http://svn.montala.net/svn/resourcespace@4857 c08608d7-6e46-0410-86ca-f2a6f1370df5