Update 0.80 release notes
Add 0.80 release notes
Enable optimized readers by default
Disable new RcFileReader until GC issues are resolved
Fix cassandra timestamp type (from bigint to timestamp)
Change test to expect optimized readers enabled
Update release notes
Fix correctness check skip in verifier
Fix recording of running operator stats

They were not being merged properly into the operator summaries for the pipeline
Add live visualization for query execution

This can be accessed via the "execution" link in the query details UI
Update 0.80 release notes
Update 0.80 release notes