clean up the competitor_controller spec a little, prevent creating competitor with fewer than 3 members if the custom_name is specified
allow creating competitor with a custom_name from the 'add' menu
replace competitors#index group_name label with placeholder
add ability to select all/none of regitrants when creating competitors
remove rendundant populate and create_from_sign_ups functions
allow chief_judge to create a competition
clean up the judging section of events#show
update todo