chapter checklists - check list

[yabellini]

• [x] Review YAML
• [x] Add missing citations
• [x] Correct citation syntax
• [x] Fix picture syntax
• [ ] Add picture alt-text
• [x] Fix chapters cross-ref
• [x] Fix tables cross-ref
• [x] Fix figures cross-ref
• [ ] Fix glossary entries
• [ ] Fix external links

[yabellini]

Agregar a bib (si no está): http://atulgawande.com/book/the-checklist-manifesto/