Added cartesian product operators
Added cartesian product operators
Removed author
Added all test cases
Merge pull request #905 from PramodSSImmaneni/MLHR-1037

Cartesian product operators
ApplicationLogGenerator now runs in the cluster
Merge pull request #909 from davidyan-malhar/apachelog_pull

ApplicationLogGenerator now runs in the cluster
don't overwrite the old LIBRARY_JARS but instead append to it
Merge pull request #910 from davidyan-malhar/apachelog_pull

don't overwrite the old LIBRARY_JARS but instead append to it