Switching the day on the schedule page now changes window.history.
Fix encoding error in exporter
Merge branch 'develop' of github.com:EuroPython/djep into develop
Add admin link to session and side event detail pages
Fix comment
Fix #165 -- Improve display of sessions on profile page.
Add database usability / helper views
Merge branch 'develop' of github.com:EuroPython/djep into develop
Rename for dependency reasons
Include t-shirt size in badge export
Add session_by_kind view
Fix #168 -- Show firstname and lastname of ticket in purchase confirmation mail if appropriate.
Update session listing templates to include primary speaker and correct
date / time format
Fixes #166 -- Add auto-generated staff list based on badge status flags
Make profile listing a bit more dynamic esp. on smaller screens.
Refers #166 -- Change badge_status into a M2M model relationship

The current implementation doesn't really allow to filter for profiles
with a certain status, e.g. only orga, as the field, indicating the
statuses on the profile, is a comma separated char field.
Merge branch 'feature/staff-list' of github.com:EuroPython/djep into feature/staff-list
Refers #166 -- Rename StaffListPlugin to a more generic name (UserListPlugin)

See https://github.com/EuroPython/djep/pull/171#issuecomment-45585366
Fixes #173 -- Add missing copy_relations
Refers #166 -- Support up to two lines for usernames.