Add grunt-glotpress implementation
Fix implementation
i18n:
- updated: ar, cs_CZ, de_DE, es_ES, fa_IR, fr_FR, he_IL, hr, hu_HU, id_ID, it_IT, ja, nb_NO, nl_NL, pl_PL, pt_BR, pt_PT, ru_RU, sk_SK, sv_SE, tr_TR, zh_CN
- added: el
Add `glotpress_download` to the `build:i18n` task.
Base .pot file name off of textdomain
Merge pull request #1785 from Yoast/grunt-glotpress

GlotPress grunt task