Dachen/taiwan_city @ 9e7898be251b068b283d651a9b0b3e8aed85916b

saberma 17dc9d92d3 fixed #3, select other province should clean children selects.		11 lat temu
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assets	17dc9d92d3 fixed #3, select other province should clean children selects.	11 lat temu
controllers	b59912018f add rspec feature test.	11 lat temu
helpers	21230b97bd init.	11 lat temu
views	b59912018f add rspec feature test.	11 lat temu