* Make google_service_account resource importable
* Add google_service_account testcase with default project
* Mark google_service_account.project as computed to ensure the project id is always stored in the state, defined in configuration or not. Add corresponding test cases
* Inline variables with single usage
* Replace tabs with spaces in configuration strings
* Ensure service account is not recreated when the default project is explicitely added to the configuration
* camelcase
