Implementation for Amazon DynamoDB
Support external credentials
Add base node with credentials
Setting defaults with credentials fields persists them in the flows file. Fixed.
Make AWS credentials reusable
Leave region selection open so new regions are quicker to use.
Need to retain the accessKey defaults to be able to show them in the UI
Move AWS credentials to DDB node
Merge pull request #10 from wnagele/master

Implementation for Amazon DynamoDB