* Resolves issue with JSON body not being interpreted when making PUT/POST calls
* Reduce code length/complexity by instantiating request credentials within the request factory instead of in each request
* Added issuer creation and permissions update examples to all templates
* Generated new outputs for each template
* Updated Google SDK version sfor C#, Java, PHP, and Python templates
* General formatting and linting updates
* Additional commenting
* Added stronger typing of variables in C# and Java examples