[i18n]> pot update, update French, add Brazilian, Dutch, Galician, Hungarian

1. New pot created with makepot.php (plugin description now translated)

updated French, thanks to Remi Perona for his first translation.

pushed Brazilian, Dutch, Galician, Hungarian from your WP-Translations project https://www.transifex.com/projects/p/category-colors/

Thanks to @Djio , sanderr, mdocampo,and the all Hungarian team.

2. Created a tx call to translators file.