updates, translation and simplefied fontusage

git-svn-id: https://plugins.svn.wordpress.org/downloadable-gallery/trunk@1055237 b8457f37-d9ea-0310-8a92-e5e31aec5664
forgot to add language folder

git-svn-id: https://plugins.svn.wordpress.org/downloadable-gallery/trunk@1055238 b8457f37-d9ea-0310-8a92-e5e31aec5664