contact_list.csv is a list of contacts of companies/schools potentially interested in the conference.
Fields:
- organization: the name of the organization
- web site: main web site of the organization
- email: contact for the organization. "form" means that the organization may be contacted only through a form in their web site.
- organization_type: company or school
- language: the supposed language to address the organization (english, german, french, italian)