Merge tag 'talks_page' into develop

Release con las propuestas de charlas
Merge tag 'fix_typo_talks_tasks' into develop

Tasks/talks typo
Merge tag 'Add_talks_count' into develop

Added talk count to talks template
Merge tag 'fix_menu_in_talks_page' into develop

Fixed talks page menu
Merge tag 'fix_markdown2_requirement' into develop

Flask-markdown is deprecated and forgotten, updated to flask-markdown2
Añadido al template lightning talks y workshops
Nuevos requests para trello
Merge branch 'feature/separate_lighning_talks_and_workshops' into develop
Merge branch 'release/lightning_workshop_talks'