tree 07733e22e159cef189f5a63c1ecd9589dab33288
parent cf3ee9788e93c5c8ee5dab2153d272e388655986
author Adam Sadovsky <sadovsky@google.com> 1435621974 -0700
committer Adam Sadovsky <sadovsky@google.com> 1435621977 -0700

syncbase: improve comments about concurrency

- Updates client-facing model.go's to mention what happens
  with Scan/Exec and concurrent writes
- Updates storage engine model.go to document concurrency
  semantics
- Other misc related comment tweaks

Change-Id: Iad5f50334ae942ffab06170caf5ec8c9c4b270bf