Add fr_FR translation

Thanks to @jhroy for the translation

git-svn-id: https://plugins.svn.wordpress.org/smarter-archives/trunk@937609 b8457f37-d9ea-0310-8a92-e5e31aec5664
Bump version number in README, plugin, and translations

git-svn-id: https://plugins.svn.wordpress.org/smarter-archives/trunk@937610 b8457f37-d9ea-0310-8a92-e5e31aec5664