update new readme + screenshots images

git-svn-id: https://plugins.svn.wordpress.org/jds-portfolio/trunk@997039 b8457f37-d9ea-0310-8a92-e5e31aec5664
adding new readme + screemshots files 26.9.14

git-svn-id: https://plugins.svn.wordpress.org/jds-portfolio/trunk@997041 b8457f37-d9ea-0310-8a92-e5e31aec5664