Edit image uploader and fixed bags

git-svn-id: https://plugins.svn.wordpress.org/portfolio-gallery/trunk@975499 b8457f37-d9ea-0310-8a92-e5e31aec5664
bag fixed

git-svn-id: https://plugins.svn.wordpress.org/portfolio-gallery/trunk@975500 b8457f37-d9ea-0310-8a92-e5e31aec5664