Crop events at schedule bug fixed.
'AIA' partner added.
Participants count added to afterparty form.
add credentials.yml to travis
add paid afterparty counter
'T-shirts' form changed.
add color_item column to order and fix order design
Tshirts photos added.
remove email field from account
T-shirts form layout improved.
'Pages' section improved.
'News' section improved.
'Lectures' section improved.
'Schedule' section improved.
'Users' section improved
fix sorting on lectures page
fix previous bad merge
fix lectures sorting
comment link to topics
add distinct to lectors