version upgrade to 1.4

git-svn-id: https://plugins.svn.wordpress.org/fb-comments-importer/trunk@898051 b8457f37-d9ea-0310-8a92-e5e31aec5664
typo in readme file

git-svn-id: https://plugins.svn.wordpress.org/fb-comments-importer/trunk@898053 b8457f37-d9ea-0310-8a92-e5e31aec5664