Add ez- functions to loader.clj to make loading individual slices and concepts easy
removed unused require
Merge pull request #76 from cndreisbach/improved-loader

Add ez- functions to loader.clj to make loading individual slices easy
Make sure to clear out slice before loading it
Add COUNT as an aggregation in the integration_test definition set
Merge pull request #77 from cndreisbach/improved-loader

Add COUNT as an aggregation in derived slices
merge from master