quick commit.
Merge branch 'PALFA' of https://github.com/zhuww/ubc_AI into PALFA

Conflicts:
	classifier.py
Merge branch 'PALFA' of https://github.com/zhuww/ubc_AI into PALFA
Merge branch 'PALFA' of https://github.com/zhuww/ubc_AI into PALFA
Merge branch 'PALFA' of https://github.com/zhuww/ubc_AI into PALFA
change PALFA classifier.score_mapper to the same as the of the GBNCC
branch.