[view] for states partial rendering
[view] add state dropdown to address partials
[controller] add state_id to permited params
[locale] state.choose
[controller] states respond to js
[js] for making request for states controller
[helper] for handling state select
[view] address_fields
[spec/request] for address state dropdown
[shared_example] dropdown state
[view/js] remove js debuggin
Merge pull request #204 from Genshin/add_dynamic_state_dropdown

Add dynamic state dropdown