#230 Made updating CIF (PLC) codegen expected test output easier.
requested to merge 230-updating-cif-plc-code-generator-expected-test-output-is-difficult into develop
- copy_all: find only expected output folders, not sub-folders.
- test_cif2plc/test_codegen improvements:
- keep entire '*_real' folder if any file has a difference.
Closes #230 (closed)