Send message on slack channel #rankme when a game is saved
Store user profile in a dedicated profile model instead of using a custom user model
Add signals 'game_played' and 'team_ranking_changed'
Add slack module
Don't crash when announcing a game with a not-yet-ranked team
Add dummy slack api token in test env
Use env SLACK_API_TOKEN in settings
update readme
Define token in base.py instead of local.py
fix test
Merge branch 'user_profile'
create competition and competition_team models
add form to create competition
display form errors
tmp
Add team links on the last 10 games section
Add a new table on the team page with weekly statistics
Team page: Redesign the head 2 head data into a table
Team page: replace the tables by two nice high charts graphs
display user avatar