synchronised with github repo in preparation for 1.3.2 release


git-svn-id: https://plugins.svn.wordpress.org/rich-text-excerpts/trunk@972435 b8457f37-d9ea-0310-8a92-e5e31aec5664
added new js file and removed all redundant language files (including tools directory)


git-svn-id: https://plugins.svn.wordpress.org/rich-text-excerpts/trunk@972446 b8457f37-d9ea-0310-8a92-e5e31aec5664