Update the doc PDFs in the s/w kits.
Final tweaks to planning guide, post new PDF.
selfcheck2: add a validation of the update in the proc.  Hopefully
will identify which side of the stored proc invocation corrupt data
reported by the client is on.
selfcheck2: I am the worst person ever.  Fixed c 'n' p bug.
ENG-4009, ENG-4010: WIP. Adding scan perf measurement code.
Also a det flag for SQLStmt which may or may not hang around.
Merge remote-tracking branch 'origin/master' into hugg-determinism