added class cAIAI in file cAIAI.
This provides a wrapper around classifier.combinedAI so that we can
easily append 'features/metrics' to the prediction matrix
removed errant 'return' statement in gaussfit
test and diagnose changes, insert of debuging code, partial fix of
featureextraction code.
commit some debug codes.
Merge branch 'master' of https://github.com/zhuww/ubc_AI into diagnose
threadit seem to be working properly now. almost final version.
Add the threadit.py file. Must put this module aside to make sure we can
turn threading off.
somewhat stable version after fixing the multi-threading.