Index into Spanish.
_layout/persona.html translated into Spanish.
Update questions.yml
Update questions.yml

traducidas preguntas 1-26. 32.36. 75-77. 80
Tabs, closing quotes and 'es' keys reviewed.
thanks.html translated into Spanish.
Spanish includes (not translated yet).
Minor erratas.
Minor erratum.
Update section_2a.html
Update section_2a.html

traducido
Update footnotes.html

translated
Update intro.html
Update email_name.html
Update download_modal.html

translated
Update download_modal.html

translated
Update download_modal.html
Update email_name.html
Update questions.yml
Merge remote-tracking branch 'okfde/gh-pages' into gh-pages

Conflicts:
	_data/questions.yml
	_includes/es/intro.html
	_layouts/persona.html
	es/index.html