Initial commit
Add CreateStack and DeleteStack methods and tests
Add DescribeStackEvents method and tests plus fixes
Add DescribeResourceDetail and tests
Add DescribeStacks method and tests
Add EstimateTemplateCost and GetStackPolicy methods and tests
Add GetTemplate method and tests
Add ListStackResources method and tests
Add ListStacks method and tests
Add SetStackPolicy and UpdateStackParams methods and tests
Add ValidateTemplate method and tests
Fix signer
Merge pull request #28 from boyand/cloudformation

Add Cloudformation support to goamz