Make author meta description template actually work on author pages
Implement `%%user_description%%` replace tag
Second stab at fixing #1397
Code style
Remove unneeded `isset` call.
Merge pull request #1479 from andizer/sitemap_nopostsusers

Exclude users with zero posts from sitemap - Fixes: #700
Fixes #1485
Bring styling of metaboxes more inline with core.
Merge pull request #1486 from vdwijngaert/patch-1

Fixes #1485, props @vdwijngaert
Minify JS, related to #1485 and #1486
Update changelog and update version number to 1.5.6
Update tested up to 4.0
Updated copyright to Yoast BV instead of Joost de Valk
Made readme.txt slightly spammier, to function better within WP.org's search.
Updating the fr_FR translation
i18n updates

Updated da_DK, fa_IR, fr_FR, hr, hu_HU, nl_NL, pt_BR and tr_RK
Changelog for i18n updates