PDI-9908
What was done
1. implemeted logic for creating log file on carte server
2. fixed issue in standalone file logging (settings made by user for specific step were corrupted by default job settings)
3. created parent folder creation utility method that can be used all over the code.
Merge pull request #34 from pavel-sakun/PDI-9908

[PDI-9908] File-based logging incomplete when job/transformation is configured to run on remote slave server