descriptor
22
merge
merge
finish consumer

+ finish consumer, generate report.txt
- some unused import
Merge branch 'xiaohan'
+ rank
merge
evaluator
+ current question type
compare uri instead of obj
merge
remove and ignore bin
split annotators
+ retrive passage
merge

merge
- redentent descriptor
+ remove stopwords
Merge branch 'xiaohan'

merge
- BioAsqAnnotator since it is splited
Merge branch 'xiaohan'