The commit includes all of the function to support the latest Amazon SNS Mobile functions:

* CreatePlatformApplication
* CreatePlatformEndpoint
* DeleteEndpoint
* DeletePlatformApplication
* GetEndpointAttributes
* GetPlatformApplicationAttributes
* ListEndpointsByPlatformApplication
* ListPlatformApplications
* SetEndpointAttributes
* SetPlatformApplicationAttributes
Merge pull request #120 from DramaFever/sns_mobile_apis

The includes all of the function to support the latest Amazon SNS Mobile functions