add user profile method - get_sports_in_year()
add tests for user profile method - get_sports_in_year()
tweak test cases class names
add tests for Sport.get_sports_choices()
add tests for helper function unix_time()
optimize user activities sql for render on profile page
tweak user profile styles
#43: add favourite distance to user profile page
#42: add fields Sport.show_map and Sport.show_distances

+ migrations
+ update fixtures
#42: add profile method for favourite sport with displayable distance

with tests
#42: add field profile.units for units settings (metric or imperial)
#42: add form for units settings
refactor profile settings view to class based view
#42: add field Distance.only_for, update distance fixtures
#42: add field Distance.name, update distance fixtures and admin
#42: add Sport method get_distances() with tests
add field BestTime.user
#42: add BestTime classmethod get_records()
fix creating best times for distances in miles
improve Distance.__unicode__() - drop trailing zeros