Workload Generator
Updated queries pool and workload generator
Added Query Class
Merge remote-tracking branch 'origin/master' into TD_mazab

Conflicts:
	DBProject/bin/edu/umich/td/fextractors/QTextFeatureExtractor.class
	DBProject/src/edu/umich/td/fextractors/QTextFeatureExtractor.java
Merge pull request #2 from mmazab/TD_mazab

Td mazab