Add new PHP files.

git-svn-id: https://plugins.svn.wordpress.org/multilingual-press/trunk@885681 b8457f37-d9ea-0310-8a92-e5e31aec5664
Replace translations.

git-svn-id: https://plugins.svn.wordpress.org/multilingual-press/trunk@885686 b8457f37-d9ea-0310-8a92-e5e31aec5664