readme update

git-svn-id: https://plugins.svn.wordpress.org/slickquiz/trunk@850069 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme update

git-svn-id: https://plugins.svn.wordpress.org/slickquiz/trunk@850071 b8457f37-d9ea-0310-8a92-e5e31aec5664
fb share button, separate random sort options, back button styles, input / label cursor styles, unpublishing bug fix, readme updates; closes #24, closes #26, closes #31

git-svn-id: https://plugins.svn.wordpress.org/slickquiz/trunk@850072 b8457f37-d9ea-0310-8a92-e5e31aec5664
readme update

git-svn-id: https://plugins.svn.wordpress.org/slickquiz/trunk@850073 b8457f37-d9ea-0310-8a92-e5e31aec5664