Transifex sync
Merge branch 'develop' of git@github.com:Dolibarr/dolibarr.git into
develop

Conflicts:
	htdocs/langs/es_ES/admin.lang
	htdocs/langs/es_ES/contracts.lang
	htdocs/langs/es_ES/exports.lang
	htdocs/langs/es_ES/mails.lang
	htdocs/langs/es_ES/main.lang
	htdocs/langs/es_ES/products.lang
	htdocs/langs/es_ES/stocks.lang
Keep only delta for pt_BR
Fix: Process only .lang files.
Add es_DO