Update aws-java-sdk to latest version (1.5.3)
Alter aws-java-sdk dependency to always use the latest release available
Merge pull request #79 from codiverse/AwsSdkUpdate

Update aws-java-sdk to latest version (1.5.3)
Add ability to assume a role for all Monkey activities
Add option for operating in assume role mode
Clean up AWS credentials provider handling
Restrict assume role properties file setting knowledge
- limit to the basic Simian Army context
- expose the credentials provider rather than the role arn
Whitespace fixes
Merge pull request #81 from codiverse/assumeRole

Allow the Simian Army to work under an assumed role (cross account access)