Move 'chunkin-nginx-module' as git submodule
Move 'headers-more-nginx-module' as git submodule
Move 'nginx-cache-purge' as git submodule
Move 'nginx-dav-ext-module' as git submodule
Move 'nginx-development-kit' as git submodule
Move 'nginx-echo' as git submodule
Move 'nginx-lua' as git submodule
Move 'nginx-pinba' as git submodule
Move 'nginx-push-stream-module' as git submodule
Move 'nginx-upload-module' as git submodule
Move 'nginx-upload-module' as git submodule
Move 'nginx-upload-progress' as git submodule
Move 'nginx-upstream-fair' as git submodule
Move 'ruby-passenger' as git submodule