Added slovenian translations

git-svn-id: https://plugins.svn.wordpress.org/dvk-social-sharing/trunk@860760 b8457f37-d9ea-0310-8a92-e5e31aec5664
added translations - this time it's real

git-svn-id: https://plugins.svn.wordpress.org/dvk-social-sharing/trunk@860761 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated readme

git-svn-id: https://plugins.svn.wordpress.org/dvk-social-sharing/trunk@861523 b8457f37-d9ea-0310-8a92-e5e31aec5664