* add test for taskRef-vs-taskSpec params
* fix: taskSpec accepting params
* add license headers
* m: no spaces around "buzz"
* fix: test file custom_task_spec.yaml
* m: follow links on newlines
* fix: big_data_passing test result yamls
* fix: yamls of other tests
* factor out conditions to process params
* fix big data rewrite for regular tasks
Michalina Kotwica