Revisions for Testing the Importer Controller

- Minor PEP8 cleanup for controllers/importer.py
- Removed laPlusDesPlus.abc from the test corpus
- Removed laPlusDesPlus.abc tests
- Cleaned up run_tests.py a bit
Added *.nja Files to .gitignore
Started Commenting and Refactoring Analyzer, analyzing.py, etc.

- Modified a unit test in test_analyzing.py
- Improved imports in analyzing.py
- Changed some comments for PieceSettings and ListOfPieces
- Changed some comments for analyzer.py
- Working toward issue #167 ... program shouldn't boot