more generic roles in the decision tree

[FuqiX]

suggestions from F2F:

1. data generator
2. data analysor
3. data consumer
4. data manager

[FuqiX]

to be fixed in current decision tree:.

1. Q1: status of project. not used
2. Q3: data formats (JSON/XML/Table not used)
3. Q4: data types (incomplete, and missing corresponding solutions)
4. Q4: more work can be done on data types
5. Q5: is metadata collected? No (better solution recommendations needed)

Double check the added labels for each question.