adds page with searchable overview of participating companies

adds company preview list to event dashboard

adds sidebar with articles on how to use video dates

adds description text to dates overview pages

adds more country options to registration

adds more country codes to phone number registration

fix bug with react tooltips in IE11

fix bug with disabled time slots when event start time is not divisible by 15

fixes bug with pending superlike when candidate has previously liked the company.

improve descriptiveness of copy in matching unlocking interface

improve sorting of past, new and upcoming events

prevent companies from registering for past events

redesign of event dashboard

renames ‘problem melden’ to ‘support’