Add AWS SDK to git submodules
path = src/github.com/go-openapi/swag
url = https://github.com/go-openapi/swag
branch = master
+[submodule "src/github.com/aws/aws-sdk-go"]
+ path = src/github.com/aws/aws-sdk-go
+ url = https://github.com/aws/aws-sdk-go
+ branch = release
