fix indentation
fetch new indicators
show year values
update years when indicator changes
dimensions have options not values
rename 'value' column
unit test for new filters ajax view
use notation instead of uri
filters passed on to query
unit tests for the new js filters
change format of filter_options GET arguments
year filter restricts value by indicator
flake8 fixes
don't use indicator metadata
rename `options` attribute
selecting an year updates the model
extract common code to SelectFilter
dimension is an argument for the constructor
data query for ref-area
yield rows one by one