Incorporate Paul's review feedback
Generate LIMIT PARTITION ROWS EXECUTE (DELETE ...) statement
in CatalogSchemaTools
Fix auto-splitting in sqlcmd for EXECUTE (DELETE ...)
When capturing statement in HSQL parser, check for ENDPARSE token
to avoid infinite loop
Add EXECUTE DELETE statement to fullDDL.sql so the new syntax
is exercised by TestCanonicalDDLThroughSQLcmd