Prevent directory access
Merge branch 'master' of git://github.com/Yoast/wordpress-seo into Prevent-directory-access
Merge pull request #1220 from jrfnl/Prevent-directory-access

Prevent directory access
Update license submodule
Remove leading slash as WP_DEVELOP_DIR already contains a trailing slash.
Merge branch 'master' of git://github.com/Yoast/wordpress-seo into Fix-errors-in-tests