Remove children_count and tidy up date logic
Simplify calculator methods
Update format of tax year label
Clean up controller params handling
Add ANI input
Merge master
Add ruby version
Use a case statement to determine anchor
Merge pull request #17 from alphagov/wip_cb_calculator_tidy_up

Child benefit tax calculator cleanup
Merge branch 'master' into resultoutcomes
Use correct field name
Use calculator values for inputs
further changes to result outcomes including ruby logic