Revert "移除ASIHTTPRequest项目引用，正式采用git submodule的方式"

This reverts commit c33629b3188bad721bc5691b13fd3f71a5250bd1.
Revert "删除多余的文件"

This reverts commit e217b926d3b1efb554afde85cba7107f6ec22d0f.
Revert "submodule add"

This reverts commit 6cfda294bb97175e34e22606d599e68495a16d8b.
Revert "测试gitmodules"

This reverts commit 50b78ab71176ebd792bd487681f14b45c102f3e3.
Revert "Create .gitignore"

This reverts commit bde08f44e6ec2b478604e18e7ecc7291a79898ac.
Revert "Update .gitmodules"

This reverts commit 2a4143d9868274f28cb3e2e2c9097677d665a4d3.
Revert "Create README.md"

This reverts commit 0eb1be8c13ed4f8644bb8508ab3751ce1110ced9.
Revert "Create .gitmodules"

This reverts commit 72455944fa58e0da71ef8c8dd757db8a79ab5f19.