new version 1.0.0

git-svn-id: https://plugins.svn.wordpress.org/instagram-for-wordpress/trunk@789329 b8457f37-d9ea-0310-8a92-e5e31aec5664
bugfix for caching

git-svn-id: https://plugins.svn.wordpress.org/instagram-for-wordpress/trunk@791089 b8457f37-d9ea-0310-8a92-e5e31aec5664