Sending only list questions down the pipleline.
Fixing the collection reader.
-added annotator to refine query
# WARNING: head commit changed in the meantime

Merge branch 'master' of https://github.com/11791-5/project-team5.git

Conflicts:
	project-team05/src/main/resources/analysis_engine/aeDescriptor.xml
Filtered the queries to keep NN and NNP only
-duplicated annotators that need to be run a second time for Supporting
Evidence Retrieval
cleaned up pipeline using inheritance to avoid duplicating code when
running the same annotators multiple times
cleaned up duplication
Merge branch 'master' of git@github.com:11791-5/project-team5.git
addition of comments & clean-up of obsolete code
Merge branch 'master' of git@github.com:11791-5/project-team5.git
Merge branch 'master' into hakim

Conflicts:
	project-team05/src/main/java/edu/cmu/lti/oaqa/annotators/QueryOptimizer.java
changed query optimizer back