first commit geb tests for web studio
updated test logic
removed unnecessary checks
commented StudioWebDialog
reformatted spock spec
added licenses
Replace all SIMPLE_COLUMNs in Hsql output xml with its substitue
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-4388-aggregate
Add temp tests for convinience
Add support for pushing projection node to agg node at the bottom, replace complex expression with available TVE substitutes, construct the newSchema for agg node at the top
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-4388-aggregate
fix the project node for aggNode at the bottom
remove the added projection node
Still confused the columnIndex association between aggNode with ScanNode
Add new projectionNode on top a aggNode or topAggNode
Fix the bad output debug message
The alias is important, I should include them
Optimize the code: do not add the projection node if not needed
Use simpleEqual instead of deep Equal
Resolve the edge cases for replace SIMPLE COLUMNs