MERGED: merged czh to master
ADDED: route to /booking_history /trade/remark /order
REMOVED: sample routes of /flight/oneway
TODO: remove /static/js/jquery-1.9.1.js
。

。
Merge branch 'master' into czh

Conflicts:
template/index.html
test.py
Merge branch 'master' into czh
index

新增 index
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