update topology test

- mininet操作を分離
- フローの追加・変更・削除を追加
Merge pull request #20 from yuta-hamada/gui-dev

javascript: update
remove unnecessary import
Merge pull request #21 from yuta-hamada/gui-test

update topology test
auto_topo: use argparse
Merge pull request #22 from yuta-hamada/gui-test

auto_topo: use argparse
views/websocket: cleanup
Merge pull request #23 from yamada-h/gui-dev

views/websocket: cleanup
views/websocket: delete old code
models/proxy: pep8
models/topology: pep8
views/websocket: pep8
Merge pull request #24 from yamada-h/gui-dev-cleanup

cleanup code
ryu.css: add copyright
base.html: add copyright
views: add copyright, code cleanup
Merge pull request #25 from yuta-hamada/gui-code-cleanup

Gui code cleanup
JavaScriptの外部ライブラリを分離
Merge pull request #26 from yamada-h/gui-dev-export-js-lib

JavaScriptの外部ライブラリを分離