Merge pull request #1 from duonglan/init

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Merge pull request #4 from quynhbv/devise_br

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Merge pull request #5 from quynhbv/devise_br

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Merge pull request #7 from quynhbv/devise_br

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Merge pull request #10 from VuThiMinhHang/init

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Merge pull request #11 from VuThiMinhHang/slide_bar

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