AND workflow

1. some new obvious extractors;
2. the concept of extractors inheritance improved - climbing up through inherit tree to get indicator for extractor - now extractor can extend from another one;
3. accuracy checking pig scripts:
a) stand alone version - to run on merged data
b) included in main workflow - to run automatically during AND processing;
4. to map converter UDF
5. make auxiliary seq files removing dependent on workflow parameter - decision nodes added
6. major sonar issue fixed
7. year disambiguator
8. unit tests